DOCSLIB.ORG

2017 Poster Abstracts

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
2017 Poster Abstracts Abstracts for Poster Presentations Session 001: Oil Spill Response and Mitigation Agents Evaluation of the Oil Removal Efficiency of Three Shoreline Cleaner Products E. Wirth1, E. Pisarski2, B. Shaddrix2, M. Fulton1 1NOAA, Charleston, SC, 2JHT, Inc., Charleston, SC Oil spill mitigation protocols allow for responders to implement multiple technologies during spills. Surface washing agents (or shoreline cleaners, SLC) are chemicals applied in specific situations where it is desired to remove stranded oil from substrates such as shorelines, seawalls, or vegetation. There are a number of products that are classified as SLC products, yet few studies have characterized the oil removal efficiency of individual products. The objective of this study was to determine the oil removal efficiency of three SLC products (Accell Clean SWA, Cytosol™ and PES-51). The products were selected to represent different chemical constituents. Accell Clean SWA is a surface washing agent containing a combination of surfactants with non-enzymatic proteins. CytoSol is a surface washing agent derived from vegetable oil and animal fat methyl esters. PES-51 is listed as a miscellaneous oil spill control agent and consists primarily of d-Limonene. Artificial substrates in the form of ceramic tiles were selected to represent hard substrates. Multiple ceramic tiles were oiled using Louisiana Sweet Crude oil and allowed to weather in a greenhouse. A baseline measurement for the total oil mass on the tiles was determined. Shoreline cleaners were then applied to oiled tiles, allowed to soak for 30 minutes, and then rinsed with seawater. Oil removal efficiency was measured by solvent extraction (hexane and dichloromethane) of the tiles followed by quantification of Total Extractable Hydrocarbons (mg/tile) using gas chromatography mass spectrometry. Removal efficiency was determined by comparing to oiled- unwashed tiles and oiled-seawater alone tiles. The results of this study provide new data on oil removal efficiencies for three SLC products. Understanding SLC effectiveness is an important facet of oil spill response and results from this study will assist response managers in making environmentally sensitive decisions. Water Oil Spills Cleanup Using Oleophilized Peanut Hulls as Sorbent H. Solis Envigeo, Montreal, QC, Canada The suggested remediation process is based on the utilization of Oleophilized Peanut Hulls (OPH 28) as an organic sorbent. A natural biodegradable organic sorbent is prepared from raw peanut hulls. Physical characteristics of the sorbent are detailed, in addition to preliminary laboratory tests under different conditions. The industrial process to produce the sorbent is disclosed. A pressurized underwater injection or aerial dispersion of a water/sorbent mixture is proposed. The possible utilization of the sorbent as a physical dispersant is discussed based on laboratory tests results that reproduce the evolution of the oil/sorbent mass into sea water throughout time. The possible application of the sorbent as complementary tool of the in-situ burning cleanup methodology is also proposed. Finally, the sorbent behavior in front of heavy oils is assessed as a precursor in the formation of tarballs that allow the handling and collection of the pollutant as semi-solid mass offshore. 2 * Student Presenter Pipe Cutting and Plugging Device H. Solis Envigeo, Montreal, QC, Canada This paper refers to a device for cutting and plug subsea fluid conductors under high pressure. The device can be used as an emergency plugging tool to stop leaking fluid into the environment from a damaged oil well. The device works by fixing its housing parallel to the pipe axis with hydraulic clamps. A cutting saw on the end of a rotating arm is activated to cut transversely to the pipe axis. A conical plug concentric with the cutting saw is fixed to the hollow shaft of the hydraulic motor that rotates the saw. After cutting, the plug can be centered by the arm with respect to the axis of the pipe and the plug moved along that axis and inserted into the cut pipe. The fluid drains through the hollow shaft of the hydraulic motor and a swivel to a hose connected to a tank vessel at the surface. Toxic effects of oil and dispersant on growth of the toxic dinoflagellate Karenia brevis M. Moison, D. L. Erdner, E. J. Buskey UTMSI, Port Aransas, TX Karenia brevis is a toxic dinoflagellate species commonly associated with harmful algal blooms in the Gulf of Mexico. The potential effects of oil spills on toxic dinoflagellate blooms are not well understood. We examined the effects of dispersed crude oil on the growth of K. brevis. The Texas Gulf coast experienced a bloom of this toxic dinoflagellate in late summer of 2015. Samples of this natural plankton community were exposed to low and high concentrations of dispersed crude oil and incubated in the laboratory for 7 days. Two culture methods using closed Erlenmeyer’s flasks or open beakers were tested in the same condition and for all treatments. The toxic effects of the dispersant/ crude oil mixture on the growth of K. brevis were measured by direct cell counts. In addition, potential morphological changes were observed using a continuous imaging flow cytometer (FlowCAM). Growth of K. brevis was markedly inhibited by the dispersant/ oil mixture at the highest concentration tested (50ppm). The low concentration treatment (10 ppm) using open beakers showed results similar to the control experiment - the use of open beakers reduces the exposure to the volatile fraction of the crude oil. In contrast, high growth inhibition effects were observed for 10 ppm exposure using closed Erlenmeyer’s flasks. However, morphological changes were observed in the 10 ppm treatment in open beakers; the size of the organism increased and the general shape of the cells were more convoluted, diverging from the typical, more circular shape. Overall, the results demonstrated significant differences depending on the open or closed culture method, and that higher concentrations of dispersed crude oil inhibits the growth of K. brevis, while lower concentrations only affect cell growth in closed containers that retain volatile compounds. Sublethal Effects of Crude Oil Dispersants on a Tidal Creek Crustacean C. P. Nguyen* University of Maryland, College Park, College Park, MD Oil dispersants are often used to mitigate the environmental damage of oil spills with over 2 million gallons used alone during the Deepwater Horizon oil spill in 2010. The growth of oil dispersant use has raised concerns with their long-term effects on the environment and crucial marine organisms and has led to increased research on these issues. In this study, the concentrations of two biomarkers in larvae of the grass shrimp Palaemonetes pugio were measured as a function of oil dispersant concentration 3 * Student Presenter and exposure time. P. pugio play an important role in transporting energy via the food chain in salt marshes and is commonly consumed by economically important fish. The larvae were exposed to two different oil dispersants, Corexit® EC9500A and Finasol® OSR52, in research experiments for 24 hours and 96 hours at various concentrations below lethal levels. The biomarkers of interest were the hormone 20-hydroxyecdysone (20-HE) and the enzyme acetylcholinesterase (AChE), which were measured using the enzyme-linked immunosorbent (ELISA) assay and the acetylcholinesterase assay respectively. These assays gave absorbance values that were then used to calculate concentration and enzyme activity. The hormone 20-HE regulates molting in arthropods. AChE facilitates neurotransmission by cleaving the neurotransmitter acetylcholine but also functions in a developmental role by regulating cell growth and differentiation. Data collected from the 20-HE assay indicated a generally declining trend of 20-HE concentration in P. pugio larvae after 96 hours exposure to oil dispersants, suggesting negative effect on growth. The AChE assay did not indicate any significant effect with exposure to dispersants. Capture and Densification of Floating Crude Oil by Granular Materials D. Boglaienko*, B. Tansel Florida International University, Miami, FL Densification and submergence of floating crude oil in the water column reduces the impact radius of a spill and its mobility, preventing direct contamination of beaches, coastal flora and fauna. Surface application of dry granular materials (quartz sand, limestone) on top of the floating oil layer increases the density of the floating oil phase and leads to formation of relatively large and stable aggregates with a significant amount of oil. The aggregates separate from the floating hydrophobic phase and settle by gravity. The granular densification process has been studied by our research group during the last three years and the summary of the main findings will be presented. The objectives of the series of experiments conducted were to determine the oil removal efficiencies and optimal particle to oil ratio, effect of salinity and the application rates, as well as to study the effects of particle size and particle porosity. In addition to crude oil (South Louisiana crude, MC 252) we analyzed aggregation of quartz sand with other hydrophobic liquids (alkanes and aromatics) to investigate wetting characteristics and relation of aggregation rates to physical properties of liquids, and to investigate dissolution rate constants of the submerged hydrophobic liquids. Classification of the main types of particle-oil aggregates was developed based
Load more

Recommended publications
  • CHECKLIST and BIOGEOGRAPHY of FISHES from GUADALUPE ISLAND, WESTERN MEXICO Héctor Reyes-Bonilla, Arturo Ayala-Bocos, Luis E
    ReyeS-BONIllA eT Al: CheCklIST AND BIOgeOgRAphy Of fISheS fROm gUADAlUpe ISlAND CalCOfI Rep., Vol. 51, 2010 CHECKLIST AND BIOGEOGRAPHY OF FISHES FROM GUADALUPE ISLAND, WESTERN MEXICO Héctor REyES-BONILLA, Arturo AyALA-BOCOS, LUIS E. Calderon-AGUILERA SAúL GONzáLEz-Romero, ISRAEL SáNCHEz-ALCántara Centro de Investigación Científica y de Educación Superior de Ensenada AND MARIANA Walther MENDOzA Carretera Tijuana - Ensenada # 3918, zona Playitas, C.P. 22860 Universidad Autónoma de Baja California Sur Ensenada, B.C., México Departamento de Biología Marina Tel: +52 646 1750500, ext. 25257; Fax: +52 646 Apartado postal 19-B, CP 23080 [email protected] La Paz, B.C.S., México. Tel: (612) 123-8800, ext. 4160; Fax: (612) 123-8819 NADIA C. Olivares-BAñUELOS [email protected] Reserva de la Biosfera Isla Guadalupe Comisión Nacional de áreas Naturales Protegidas yULIANA R. BEDOLLA-GUzMáN AND Avenida del Puerto 375, local 30 Arturo RAMíREz-VALDEz Fraccionamiento Playas de Ensenada, C.P. 22880 Universidad Autónoma de Baja California Ensenada, B.C., México Facultad de Ciencias Marinas, Instituto de Investigaciones Oceanológicas Universidad Autónoma de Baja California, Carr. Tijuana-Ensenada km. 107, Apartado postal 453, C.P. 22890 Ensenada, B.C., México ABSTRACT recognized the biological and ecological significance of Guadalupe Island, off Baja California, México, is Guadalupe Island, and declared it a Biosphere Reserve an important fishing area which also harbors high (SEMARNAT 2005). marine biodiversity. Based on field data, literature Guadalupe Island is isolated, far away from the main- reviews, and scientific collection records, we pres- land and has limited logistic facilities to conduct scien- ent a comprehensive checklist of the local fish fauna, tific studies.
    [Show full text]
  • Diverse Deep-Sea Anglerfishes Share a Genetically Reduced Luminous
    RESEARCH ARTICLE Diverse deep-sea anglerfishes share a genetically reduced luminous symbiont that is acquired from the environment Lydia J Baker1*, Lindsay L Freed2, Cole G Easson2,3, Jose V Lopez2, Dante´ Fenolio4, Tracey T Sutton2, Spencer V Nyholm5, Tory A Hendry1* 1Department of Microbiology, Cornell University, New York, United States; 2Halmos College of Natural Sciences and Oceanography, Nova Southeastern University, Fort Lauderdale, United States; 3Department of Biology, Middle Tennessee State University, Murfreesboro, United States; 4Center for Conservation and Research, San Antonio Zoo, San Antonio, United States; 5Department of Molecular and Cell Biology, University of Connecticut, Storrs, United States Abstract Deep-sea anglerfishes are relatively abundant and diverse, but their luminescent bacterial symbionts remain enigmatic. The genomes of two symbiont species have qualities common to vertically transmitted, host-dependent bacteria. However, a number of traits suggest that these symbionts may be environmentally acquired. To determine how anglerfish symbionts are transmitted, we analyzed bacteria-host codivergence across six diverse anglerfish genera. Most of the anglerfish species surveyed shared a common species of symbiont. Only one other symbiont species was found, which had a specific relationship with one anglerfish species, Cryptopsaras couesii. Host and symbiont phylogenies lacked congruence, and there was no statistical support for codivergence broadly. We also recovered symbiont-specific gene sequences from water collected near hosts, suggesting environmental persistence of symbionts. Based on these results we conclude that diverse anglerfishes share symbionts that are acquired from the environment, and *For correspondence: that these bacteria have undergone extreme genome reduction although they are not vertically [email protected] (LJB); transmitted.
    [Show full text]
  • Molecular Diversity, Phylogeny, and Biogeographic Patterns of Crustacean Copepods Associated with Scleractinian Corals of the Indo-Pacific
    Molecular Diversity, Phylogeny, and Biogeographic Patterns of Crustacean Copepods Associated with Scleractinian Corals of the Indo-Pacific Dissertation by Sofya Mudrova In Partial Fulfillment of the Requirements For the Degree of Doctor of Philosophy of Science King Abdullah University of Science and Technology, Thuwal, Kingdom of Saudi Arabia November, 2018 2 EXAMINATION COMMITTEE PAGE The dissertation of Sofya Mudrova is approved by the examination committee. Committee Chairperson: Dr. Michael Lee Berumen Committee Co-Chair: Dr. Viatcheslav Ivanenko Committee Members: Dr. James Davis Reimer, Dr. Takashi Gojobori, Dr. Manuel Aranda Lastra 3 COPYRIGHT PAGE © November, 2018 Sofya Mudrova All rights reserved 4 ABSTRACT Molecular diversity, phylogeny and biogeographic patterns of crustacean copepods associated with scleractinian corals of the Indo-Pacific Sofya Mudrova Biodiversity of coral reefs is higher than in any other marine ecosystem, and significant research has focused on studying coral taxonomy, physiology, ecology, and coral-associated fauna. Yet little is known about symbiotic copepods, abundant and numerous microscopic crustaceans inhabiting almost every living coral colony. In this thesis, I investigate the genetic diversity of different groups of copepods associated with reef-building corals in distinct parts of the Indo-Pacific; determine species boundaries; and reveal patterns of biogeography, endemism, and host-specificity in these symbiotic systems. A non-destructive method of DNA extraction allowed me to use an integrated approach to conduct a diversity assessment of different groups of copepods and to determine species boundaries using molecular and taxonomical methods. Overall, for this thesis, I processed and analyzed 1850 copepod specimens, representing 269 MOTUs collected from 125 colonies of 43 species of scleractinian corals from 11 locations in the Indo-Pacific.
    [Show full text]
  • Orden POECILOSTOMATOIDA Manual
    Revista IDE@ - SEA, nº 97 (30-06-2015): 1-15. ISSN 2386-7183 1 Ibero Diversidad Entomológica @ccesible www.sea-entomologia.org/IDE@ Clase: Maxillopoda: Copepoda Orden POECILOSTOMATOIDA Manual CLASE MAXILLOPODA: SUBCLASE COPEPODA: Orden Poecilostomatoida Antonio Melic Sociedad Entomológica Aragonesa (SEA). Avda. Francisca Millán Serrano, 37; 50012 Zaragoza [email protected] 1. Breve definición del grupo y principales caracteres diagnósticos El orden Poecilostomatoida Thorell, 1859 tiene una posición sistemática discutida. Tradicionalmente ha sido considerado un orden independiente, dentro de los 10 que conforman la subclase Copepoda; no obstante, algunos autores consideran que no existen diferencias suficientes respeto al orden Cyclopoida, del que vendrían a ser un suborden (Stock, 1986 o Boxshall & Halsey, 2004, entre otros). No obstante, en el presente volumen se ha considerado un orden independiente y válido. Antes de entrar en las singularidades del orden es preciso tratar sucintamente la morfología, ecolo- gía y biología de Copepoda, lo que se realiza en los párrafos siguientes. 1.1. Introducción a Copepoda Los copépodos se encuentran entre los animales más abundantes en número de individuos del planeta. El plancton marino puede alcanzar proporciones de un 90 por ciento de copépodos respecto a la fauna total presente. Precisamente por su número y a pesar de su modesto tamaño (forman parte de la micro y meiofauna) los copépodos representan una papel fundamental en el funcionamiento de los ecosistemas marinos. En su mayor parte son especies herbívoras –u omnívoras– y por lo tanto transformadoras de fito- plancton en proteína animal que, a su vez, sirve de alimento a todo un ejército de especies animales, inclu- yendo gran número de larvas de peces.
    [Show full text]
  • Life History of the Copepod Hemicyclops Spinulosus (Poecilostomatoida, Clausidiidae) Associated with Crab Burrows with Notes On
    Plankton Benthos Res 3(4): 189–201, 2008 Plankton & Benthos Research © The Plankton Society of Japan Life history of the copepod Hemicyclops spinulosus (Poecilostomatoida, Clausidiidae) associated with crab burrows with notes on male polymorphism and precopulatory mate guarding HIROSHI ITOH1 &SHUHEI NISHIDA2* 1 Suidosha Co. Ltd, 8–11–11 Ikuta, Tama, Kawasaki 214–0038, Japan 2 Ocean Research Institute, University of Tokyo, 1–15–1 Minamidai, Nakano, Tokyo 164–8639, Japan Received 9 January 2008; Accepted 30 May 2008 Abstract: A 25-month field survey was conducted to investigate the life cycle and seasonal population fluctuations in the poecilostomatoid copepod Hemicyclops spinulosus in the burrows of the ocypodid crab Macrophthalmus japonicus in the mud-flats of the Tama-River estuary, central Japan. On the basis of sample collections in the water column and from the crab burrows, it was confirmed that H. spinulosus is planktonic during the naupliar stages and settles on the bottom during the first copepodid stage to inhabit the burrows. Furthermore, the copepods’ reproduction took place mainly during early summer to autumn with a successive decrease from autumn to winter. A supplementary observation on the burrows of the polychaete Tylorrhynchus heterochaetus suggested that these burrows are another important habi- tat of H. spinulosus. There were additional discoveries of male polymorphism and precopulatory mate guarding behav- ior by males, suggesting an adaptation in the reproductive strategy of this copepod to their narrow habitat spaces and low population densities, in contrast to the congeneric species H. gomsoensis, which co-occurs in the estuary but attains much larger population sizes and is associated with hosts having much larger burrow spaces.
    [Show full text]
  • Order LOPHIIFORMES LOPHIIDAE Anglerfishes (Goosefishes, Monkfishes) by J.H
    click for previous page Lophiiformes: Lophiidae 1043 Order LOPHIIFORMES LOPHIIDAE Anglerfishes (goosefishes, monkfishes) by J.H. Caruso, University of New Orleans, Louisianna, USA iagnostic characters: Head and anterior part of body much depressed and very broad, posterior Dportion of body tapering; maximum size to about 200 cm, about 120 cm in the area, commonly 25 to 45 cm. Head rounded, bearing numerous sharp spines and ridges on dorsal and lateral surfaces, the most conspicuous of which are the following: 1 very large prominent spine or group of spines immediately an- terior to each pectoral-fin base (humeral spines); 1 pair of sharp prominent spines on either side of snout, im- mediately behind mouth (palatine spines); a bony ridge above eyes with 2 or 3 short spines (frontal spines); and 2 bony ridges on snout running forward from eyes (frontal ridges); interorbital space slightly concave. Mouth very large and wide, upper jaw protractile and the lower projecting, both bearing numerous long, sharp, depressible teeth; gill openings fairly large, low in pectoral-fin axil, sometimes extending for- ward in front of pectoral-fin base. Two separate dorsal fins, the first composed of 2 or 3 isolated slender spines on head (cephalic spines) and of 1 to 3 spines (often connected by a membrane, at least in juve- niles), at the level of pectoral fins (postcephalic spines); first 2 cephalic spines located at anterior end of snout, the foremost modified into an angling apparatus, usually bearing a fleshy appendage (esca) at tip;the third cephalic spine, when present, is located at level of humeral spines;anal fin with 6 to 11 soft rays, below second dorsal fin; caudal fin with 8 rays, the 2 outer rays unbranched; pectoral-fin rays unbranched, ter- minating in small fleshy filaments; pelvic fins on ventral surface of head, anterior to pectoral fins.
    [Show full text]
  • Two New Deep-Sea Anglerfishes (Oneirodidae and Gigantactidae) from Taiwan, with Synopsis of Taiwanese Ceratioids
    Zootaxa 4702 (1): 010–018 ISSN 1175-5326 (print edition) https://www.mapress.com/j/zt/ Article ZOOTAXA Copyright © 2019 Magnolia Press ISSN 1175-5334 (online edition) https://doi.org/10.11646/zootaxa.4702.1.5 http://zoobank.org/urn:lsid:zoobank.org:pub:F7BCE3B0-220C-466F-A3A5-1D9D2606A7CA Two new deep-sea anglerfishes (Oneirodidae and Gigantactidae) from Taiwan, with synopsis of Taiwanese ceratioids HSUAN-CHING HO1,2* & KWANG-TSAO SHAO3 1 National Museum of Marine Biology & Aquarium, Pingtung, Taiwan 2Institute of Marine Biology, National Dong Hwa University, Pingtung, Taiwan 3Institute of Marine Biology, National Taiwan Ocean University, Keelung, Taiwan *Corresponding author. E-mail: [email protected] Abstract Two new species of deep-sea anglerfishes are described on the basis of specimens collected from off northeastern Taiwan. Oneirodes formosanus sp. nov., based on one adult female, differs from its congeners in having a deep caudal peduncle (15.4% SL) and esca with a single simple, elongate, unbranched, internally pigmented, anterior escal appendage; a simple, elongate, posterior escal appendage; an elongate terminal escal papilla; and no medial and lateral escal appendages. Gigantactis cheni sp. nov., based on three adult females, differs from its congeners in having a series of unpigmented filaments at base of illicium; a black terminal elongated esca bearing numerous dermal spinules; relatively more jaws teeth with the outtermost ones relatively short. A synopsis of Taiwanese species of the suborder Ceratioidei is provided. Keywords: Lophiiformes, Oneirodes formosanus sp. nov., Gigantactis cheni sp. nov., deep-sea fish, Taiwan Introduction Deep-sea anglerfishes (suborder Ceratioidei) from Taiwanese waters were poorly known until deep-sea biodiversity surveys were made in recent two decades.
    [Show full text]
  • First Record of Blue-Pigmented Calanoid Copepod, Acrocalanus Sp. in the Whale Shark Habitat of Cendrawasih Bay, Papua
    First record of blue-pigmented Calanoid Copepod, Acrocalanus sp. in the whale shark habitat of Cendrawasih Bay, Papua - Indonesia 1Diena Ardania, 2Yusli Wardiatno, 2Mohammad M. Kamal 1 Master Program in Aquatic Resources Management, Graduate School of Bogor Agricultural University, Jalan Raya Dramaga, Kampus IPB Dramaga, 16680 Dramaga, West Java, Indonesia; 2 Department of Aquatic Resources Management, Faculty of Fisheries and Marine Sciences, Bogor Agricultural University, Jalan Raya Dramaga, Kampus IPB Dramaga, 16680 Dramaga, West Java, Indonesia. Corresponding author: D. Ardania, [email protected] Abstract. Cendrawasih Bay is famous as a habitat of whale shark. One of the main foods of the whale shark in the bay is the blue-pigmented calanoid copepods. The presence of the blue-pigmented copepod has never been reported in Indonesia. This study was aimed to report the occurrence of a blue- pigmented calanoid copepod (Acrocalanus sp.) from Cendrawasih Bay, Papua as new record. The specimens were collected by means of bongo net, and preserved with 5% sea-buffered formaldeyide. Sample collection was conducted from October to December 2016. Morphological characters of the species are illustrated and described. This finding enhances marine biodiversity list of micro-crustacean in Indonesia, and add more distribution information of the species in the world. Key Words: blue-pigmented copepod, conservation, crustacea, new record, zooplankton. Introduction. Copepods are small aquatic crustaceans and their habitats range from freshwater to hyper saline condition. Copepod is an important link in the aquatic food chain especially for small fish to large fish like whale shark. Kamal et al (2016), Hacohen- Domene et al (2006) and Clark & Nelson (1997) reported that Copepoda was the dominant food of the whale shark (Rhincodon typus).
    [Show full text]
  • Planktonic Associations Between Medusae (Classes Scyphozoa and Hydrozoa) and Epifaunal Crustaceans
    Planktonic associations between medusae (classes Scyphozoa and Hydrozoa) and epifaunal crustaceans Kaden Muffett and Maria Pia Miglietta Department of Marine Biology, Texas A&M University - Galveston, Galveston, Texas, United States ABSTRACT Jellyfish are known to carry various epibionts, including many of the subphylum Crustacea. However, the associations between gelatinous zooplankton and other invertebrates have been chronically overlooked. Crustacea, a massive clade of economically, ecologically, and culturally important species, includes many taxa that utilize gelatinous zooplankton for food, transport, and protection as both adults and juveniles. Here we compile 211 instances of epifaunal crustaceans recorded on Hydromedusae and Scyphomedusae from a century of literature. These include 78 identified crustacean species in 65 genera across nine orders found upon 37 Hydromedusa species and 48 Scyphomedusae. The crustacean life stage, location, nature of the association with the medusa, years, months, and depths are compiled to form a comprehensive view of the current state of the literature. Additionally, this review highlights areas where the current literature is lacking, particularly noting our poor understanding of the relationships between juvenile crabs of commercially valuable species and medusae. Subjects Ecology, Marine Biology, Zoology Keywords Hydrozoa, Scyphozoa, Crustacea, Association, Commensal, Epifauna, Marine, Jellyfish, Medusa Submitted 17 December 2020 Accepted 24 March 2021 BACKGROUND Published 23 April 2021 An increased focus on ocean climate research in the past 20 years has made clear the Corresponding author fragility of the world’s oceans and the organisms that live within them. The rate at which Kaden Muffett, species are disappearing, undergoing climate-related range fluctuations, and experiencing [email protected] developmental and behavioral changes is unlike anything seen in the time of record Academic editor Antonina Dos Santos (Walther et al., 2002; Guinotte & Fabry, 2008; Comeaux, Allison & Bianchi, 2012).
    [Show full text]
  • Lundsten Et Al
    Deep-Sea Research I 68 (2012) 46–53 Contents lists available at SciVerse ScienceDirect Deep-Sea Research I journal homepage: www.elsevier.com/locate/dsri Morphological, molecular, and in situ behavioral observations of the rare deep-sea anglerfish Chaunacops coloratus (Garman, 1899), order Lophiiformes, in the eastern North Pacific Lonny Lundsten a,n, Shannon B. Johnson a, Gregor M. Cailliet b, Andrew P. DeVogelaere c, David A. Clague a a Monterey Bay Aquarium Research Institute, 7700 Sandholdt Road, Moss Landing, CA 95039-9644, USA b Moss Landing Marine Laboratories, 8272 Moss Landing Road, Moss Landing, CA 95039, USA c Monterey Bay National Marine Sanctuary, 99 Pacific Street, Bldg 455a, Monterey, CA, 93940, USA article info abstract Article history: In situ observations and collections of Chaunacops coloratus (Garman, 1899) from seamounts in the Received 8 February 2012 eastern North Pacific Ocean lend new behavioral, morphological and molecular data to an under- Received in revised form sampled, deep-sea group of fishes in the order Lophiiformes. Seven observations were made at 7 May 2012 Davidson Seamount, 130 km southwest of Monterey, CA, and from the Taney Seamount chain, Accepted 18 May 2012 290 km west of Moss Landing, CA, from depths ranging from 2313 to 3297 m. Specimens were Available online 17 June 2012 collected at both locations. Morphometric and meristic analyses were performed to identify individuals Keywords: to the species level. These observations of C. coloratus provide greater latitude and depth distributions Deep-sea in the eastern North Pacific Ocean than previously known. Detailed habitat information indicated the ROV fish occurred near manganese-encrusted volcanic talus slopes, a highly rugose habitat.
    [Show full text]
  • HANDBOOK of FISH BIOLOGY and FISHERIES Volume 1 Also Available from Blackwell Publishing: Handbook of Fish Biology and Fisheries Edited by Paul J.B
    HANDBOOK OF FISH BIOLOGY AND FISHERIES Volume 1 Also available from Blackwell Publishing: Handbook of Fish Biology and Fisheries Edited by Paul J.B. Hart and John D. Reynolds Volume 2 Fisheries Handbook of Fish Biology and Fisheries VOLUME 1 FISH BIOLOGY EDITED BY Paul J.B. Hart Department of Biology University of Leicester AND John D. Reynolds School of Biological Sciences University of East Anglia © 2002 by Blackwell Science Ltd a Blackwell Publishing company Chapter 8 © British Crown copyright, 1999 BLACKWELL PUBLISHING 350 Main Street, Malden, MA 02148‐5020, USA 108 Cowley Road, Oxford OX4 1JF, UK 550 Swanston Street, Carlton, Victoria 3053, Australia The right of Paul J.B. Hart and John D. Reynolds to be identified as the Authors of the Editorial Material in this Work has been asserted in accordance with the UK Copyright, Designs, and Patents Act 1988. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, except as permitted by the UK Copyright, Designs, and Patents Act 1988, without the prior permission of the publisher. First published 2002 Reprinted 2004 Library of Congress Cataloging‐in‐Publication Data has been applied for. Volume 1 ISBN 0‐632‐05412‐3 (hbk) Volume 2 ISBN 0‐632‐06482‐X (hbk) 2‐volume set ISBN 0‐632‐06483‐8 A catalogue record for this title is available from the British Library. Set in 9/11.5 pt Trump Mediaeval by SNP Best‐set Typesetter Ltd, Hong Kong Printed and bound in the United Kingdom by TJ International Ltd, Padstow, Cornwall.
    [Show full text]
  • Description of a Pelagic Juvenile of the Poorly Known Anglerfish Sladenia Zhui (Lophiidae) from the East China Sea
    Species Diversity 25: 107–116 Published online 15 May 2020 DOI: 10.12782/specdiv.25.107 Description of a Pelagic Juvenile of the Poorly Known Anglerfish Sladenia zhui (Lophiidae) from the East China Sea Mizuki Matsunuma1,3 and Nozomu Muto2 1 Department of Environmental Management, Faculty of Agriculture, Kindai University, 3327-204 Nakamachi, Nara 631-8505, Japan E-mail: [email protected] 2 Department of Marine Biology and Sciences, School of Biological Sciences, Tokai University, 5-1-1-1 Minamisawa, Minami-ku, Sapporo, Hokkaido 005-8601, Japan 3 Corresponding author (Received 24 September 2019; Accepted 11 March 2020) A single pelagic juvenile (23.1 mm standard length) of a lophiid fish, collected from 100–115 m in depth in the East China Sea, was identified as Sladenia zhui Ni, Wu, and Li, 2002, originally described from the East and South China Seas, on the basis of meristic counts [I-I-I-I, 10 dorsal-fin rays (2 post-cephalic spines); 7 anal-fin rays; and 19 pectoral-fin rays] and mitochondrial DNA sequences. Reported here for the first time, juveniles ofSladenia Regan, 1908 are uniquely char- acterized by inflated, balloon-like skin surrounding the head and body, and undeveloped head spines. The Japanese names “Daruma-ankou-zoku” and “Daruma-ankou” are proposed herein for the genus Sladenia and S. zhui, respectively. Key Words: Lophiiformes, morphology, diagnosis, mitochondrial DNA, Japan. to date. Introduction A single pelagic lophiiform juvenile (23.1 mm standard length; Fig. 1A), encased in an inflated transparent skin, col- The poorly known deep water lophiid genus Sladenia lected by bottom trawl from the East China Sea in the vi- Regan, 1908 is characterized by a rounded, rather than de- cinity of the type locality of S.
    [Show full text]