The Effects of Rabbitfish Existence in Polyculture System and Feed Type Against the Growth Performance of Bigeye Trevally in Floating Net Cage Carolus P
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Size Composition, Growth, Mortality and Yield of Alectis Alexandrinus (Geoffory Saint-Hilaire) in Bonny River, Niger Delta, Nigeria
African Journal of Biotechnology Vol. 8 (23), pp. 6721-6723, 1 December, 2009 Available online at http://www.academicjournals.org/AJB ISSN 1684–5315 © 2009 Academic Journals Short Communication Size composition, growth, mortality and yield of Alectis alexandrinus (Geoffory Saint-Hilaire) in Bonny River, Niger Delta, Nigeria S. N. Deekae1, K. O. Chukwu1 and A. J. Gbulubo2 1Department of Fisheries and Aquatic Environment, Rivers State University of Science and Technology, Port-Harcourt Rivers State, Nigeria. 2African Regional Aquaculture Centre, Port Harcourt, Nigeria. Institute for Oceanography and Marine Research, P.M.B.5122, Port Harcourt, Nigeria. Accepted 3 November, 2008 A twelve month study on the size composition, growth, mortality and yield of Alectis alexandrinus revealed a length range of 11.5 - 33.8 cm (standard length). Employing the length frequency method in the FISAT II package gave the following results for the Von Bertanlanffy growth parameters: L = 35.23, K = 0.680, to = 0.3214 and = 2.926. The total mortality (Z) was 2.47, natural mortality (M) 1.39 and fishing mortality (F) 1.08.The relative biomass per recruit (knife edge selection) was Lc/ L = 0.05, E10 = 0.355 and E50 = 0.278. Although the exploitation rate (E) was 0.44 the Emax was 0.421 indicating moderate exploitation of the fish in Bonny River. There is room for increased effort in the fisheries. Key word: Size, growth, mortality, yield, Alectis alexandrinus. INTRODUCTION Alectics alexandrinus is one of the commercially valuable tions or species into categories of high, medium low and fishes in the gulf of Guinea, which could be relevant in very low resilience or productivity have been suggested sport fishing as obtainable in places like Hawaii (Pamela et al., 2001; Musick, 1999). -
Caranx Lugubris (Black Jack)
UWI The Online Guide to the Animals of Trinidad and Tobago Ecology Caranx lugubris (Black Jack) Family: Carangidae (Jacks and Pompanos) Order: Perciformes (Perch and Allied Fish) Class: Actinopterygii (Ray-finned Fish) Fig. 1. Black jack, Caranx lugubris. [http://marinebio.org/upload/Caranx-lugubris/1.jpg, downloaded 14 February 2016] TRAITS. Being built for speed, Caranx lugubris have a steep sloping head with a body that tapers down to a very narrow tail (Lin and Shao, 1999). The colour of the body and head are almost uniformly greyish-brown to black, they have a deeply forked tail (Fig. 1), and the average body length is around 70cm (Humann, 1989). The teeth of the upper jaw include strong canines, and there are about 8 upper and 18-21 lower gill-rakers on the gill arches. DISTRIBUTION. Caranx lugubris is widely distributed in tropical waters worldwide (Fig. 2), with a circumtropical distribution (Smith-Vaniz, 1986). This includes the waters of the Indian Ocean, Pacific, the Atlantic including the Gulf of Mexico and the Caribbean (Smith-Vaniz et al., 2015). UWI The Online Guide to the Animals of Trinidad and Tobago Ecology HABITAT AND ACTIVITY. This species of fish lives in offshore waters at depths of 10-350m (Lieske and Myers, 1994). This species is a bentho-pelagic marine fish that dwells in coral reefs, at the edges of reefs and rocks (Carpenter, 2002). They tend to form schools and primarily feed on other fish (Smith-Vaniz et al., 2015). They tend to live in solitude or in schools consisting of up to 30 individuals (Fig. -
Morphological and Karyotypic Differentiation in Caranx Lugubris (Perciformes: Carangidae) in the St. Peter and St. Paul Archipelago, Mid-Atlantic Ridge
Helgol Mar Res (2014) 68:17–25 DOI 10.1007/s10152-013-0365-0 ORIGINAL ARTICLE Morphological and karyotypic differentiation in Caranx lugubris (Perciformes: Carangidae) in the St. Peter and St. Paul Archipelago, mid-Atlantic Ridge Uedson Pereira Jacobina • Pablo Ariel Martinez • Marcelo de Bello Cioffi • Jose´ Garcia Jr. • Luiz Antonio Carlos Bertollo • Wagner Franco Molina Received: 21 December 2012 / Revised: 16 June 2013 / Accepted: 5 July 2013 / Published online: 24 July 2013 Ó Springer-Verlag Berlin Heidelberg and AWI 2013 Abstract Isolated oceanic islands constitute interesting Introduction model systems for the study of colonization processes, as several climatic and oceanographic phenomena have played Ichthyofauna on the St. Peter and St. Paul Archipelago an important role in the history of the marine ichthyofauna. (SPSPA) is of great biological interest, due to its degree The present study describes the presence of two morpho- of geographic isolation. The region is a remote point, far types of Caranx lugubris, in the St. Peter and St. Paul from the South American (&1,100 km) and African Archipelago located in the mid-Atlantic. Morphotypes were (&1,824 km) continents, with a high level of endemic fish compared in regard to their morphological and cytogenetic species (Edwards and Lubbock 1983). This small archi- patterns, using C-banding, Ag-NORs, staining with CMA3/ pelago is made up of four larger islands (Belmonte, St. DAPI fluorochromes and chromosome mapping by dual- Paul, St. Peter and Bara˜o de Teffe´), in addition to 11 color FISH analysis with 5S rDNA and 18S rDNA probes. smaller rocky points. The combined action of the South We found differences in chromosome patterns and marked Equatorial Current and Pacific Equatorial Undercurrent divergence in body patterns which suggest that different provides a highly complex hydrological pattern that sig- populations of the Atlantic or other provinces can be found nificantly influences the insular ecosystem (Becker 2001). -
Genus: Alepes), with New Record of Alepes Vari from the Iraqi Marine Waters,Northwest Arabian Gulf
Asian Journal of Applied Sciences (ISSN: 2321 – 0893) Volume 03 – Issue 05, October 2015 Morphological and Molecular Systematic of Carangids (Genus: Alepes), with New Record of Alepes vari from the Iraqi Marine Waters,Northwest Arabian Gulf Abbas J. Al-Faisal¹, Abdul-Razak M. Mohamed²* and Talib A. Jaayid³ 1Department of Marine Vertebrates, Marine Science Centre University of Basrah, Iraq ¹ Department of Fisheries and Marine Resources, College of Agriculture University of Basrah, Iraq ³ Department of Animal Production, College of Agriculture Basrah University, Basrah, Iraq *Corresponding author’s email: abdul19532001 [AT] yahoo.com ____________________________________________________________ ABSTRACT-- Morphometric and meristic characteristics and DNA fingerprint analysis were applied to identify three species of Carangidss belonging to the genus Alepes [A. djedaba (Forsskål, 1775), A. kleinii (Bloch, 1793) and A. vari (Cuvier, 1833)] from Iraqi marine waters, during the period from January 2014 to June 2015. A. vari was recorded for the first time in Iraqi waters. Second dorsal fin rays ranged from 22 to 24 in A. djedaba, 25 to 26 in A. kleinii and 26 to 28 in A. vari. Anal fin rays were 19 - 20 in A. djedaba, 21 - 22 in A. kleinii and 20 - 22 in A.vari. Gill rakers on lower limb were 27 - 31 in A. djedaba, 27 – 29 in A. kleinii and 22 – 23 in A. vari. The DNA fingerprints of species of the genus Alepes were identified using Polymerase Chain Reaction-Random Amplified Polymorphic DNA (PCR-RAPD) with six primers: P1 (212), P2 (239), P3 (244), P4 (250), P5 (265), and P6 (347). The numbers of bands generated by primers were 37 in A. -
DEEP SEA LEBANON RESULTS of the 2016 EXPEDITION EXPLORING SUBMARINE CANYONS Towards Deep-Sea Conservation in Lebanon Project
DEEP SEA LEBANON RESULTS OF THE 2016 EXPEDITION EXPLORING SUBMARINE CANYONS Towards Deep-Sea Conservation in Lebanon Project March 2018 DEEP SEA LEBANON RESULTS OF THE 2016 EXPEDITION EXPLORING SUBMARINE CANYONS Towards Deep-Sea Conservation in Lebanon Project Citation: Aguilar, R., García, S., Perry, A.L., Alvarez, H., Blanco, J., Bitar, G. 2018. 2016 Deep-sea Lebanon Expedition: Exploring Submarine Canyons. Oceana, Madrid. 94 p. DOI: 10.31230/osf.io/34cb9 Based on an official request from Lebanon’s Ministry of Environment back in 2013, Oceana has planned and carried out an expedition to survey Lebanese deep-sea canyons and escarpments. Cover: Cerianthus membranaceus © OCEANA All photos are © OCEANA Index 06 Introduction 11 Methods 16 Results 44 Areas 12 Rov surveys 16 Habitat types 44 Tarablus/Batroun 14 Infaunal surveys 16 Coralligenous habitat 44 Jounieh 14 Oceanographic and rhodolith/maërl 45 St. George beds measurements 46 Beirut 19 Sandy bottoms 15 Data analyses 46 Sayniq 15 Collaborations 20 Sandy-muddy bottoms 20 Rocky bottoms 22 Canyon heads 22 Bathyal muds 24 Species 27 Fishes 29 Crustaceans 30 Echinoderms 31 Cnidarians 36 Sponges 38 Molluscs 40 Bryozoans 40 Brachiopods 42 Tunicates 42 Annelids 42 Foraminifera 42 Algae | Deep sea Lebanon OCEANA 47 Human 50 Discussion and 68 Annex 1 85 Annex 2 impacts conclusions 68 Table A1. List of 85 Methodology for 47 Marine litter 51 Main expedition species identified assesing relative 49 Fisheries findings 84 Table A2. List conservation interest of 49 Other observations 52 Key community of threatened types and their species identified survey areas ecological importanc 84 Figure A1. -
Updated Checklist of Marine Fishes (Chordata: Craniata) from Portugal and the Proposed Extension of the Portuguese Continental Shelf
European Journal of Taxonomy 73: 1-73 ISSN 2118-9773 http://dx.doi.org/10.5852/ejt.2014.73 www.europeanjournaloftaxonomy.eu 2014 · Carneiro M. et al. This work is licensed under a Creative Commons Attribution 3.0 License. Monograph urn:lsid:zoobank.org:pub:9A5F217D-8E7B-448A-9CAB-2CCC9CC6F857 Updated checklist of marine fishes (Chordata: Craniata) from Portugal and the proposed extension of the Portuguese continental shelf Miguel CARNEIRO1,5, Rogélia MARTINS2,6, Monica LANDI*,3,7 & Filipe O. COSTA4,8 1,2 DIV-RP (Modelling and Management Fishery Resources Division), Instituto Português do Mar e da Atmosfera, Av. Brasilia 1449-006 Lisboa, Portugal. E-mail: [email protected], [email protected] 3,4 CBMA (Centre of Molecular and Environmental Biology), Department of Biology, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal. E-mail: [email protected], [email protected] * corresponding author: [email protected] 5 urn:lsid:zoobank.org:author:90A98A50-327E-4648-9DCE-75709C7A2472 6 urn:lsid:zoobank.org:author:1EB6DE00-9E91-407C-B7C4-34F31F29FD88 7 urn:lsid:zoobank.org:author:6D3AC760-77F2-4CFA-B5C7-665CB07F4CEB 8 urn:lsid:zoobank.org:author:48E53CF3-71C8-403C-BECD-10B20B3C15B4 Abstract. The study of the Portuguese marine ichthyofauna has a long historical tradition, rooted back in the 18th Century. Here we present an annotated checklist of the marine fishes from Portuguese waters, including the area encompassed by the proposed extension of the Portuguese continental shelf and the Economic Exclusive Zone (EEZ). The list is based on historical literature records and taxon occurrence data obtained from natural history collections, together with new revisions and occurrences. -
Solomon Islands Marine Life Information on Biology and Management of Marine Resources
Solomon Islands Marine Life Information on biology and management of marine resources Simon Albert Ian Tibbetts, James Udy Solomon Islands Marine Life Introduction . 1 Marine life . .3 . Marine plants ................................................................................... 4 Thank you to the many people that have contributed to this book and motivated its production. It Seagrass . 5 is a collaborative effort drawing on the experience and knowledge of many individuals. This book Marine algae . .7 was completed as part of a project funded by the John D and Catherine T MacArthur Foundation Mangroves . 10 in Marovo Lagoon from 2004 to 2013 with additional support through an AusAID funded community based adaptation project led by The Nature Conservancy. Marine invertebrates ....................................................................... 13 Corals . 18 Photographs: Simon Albert, Fred Olivier, Chris Roelfsema, Anthony Plummer (www.anthonyplummer. Bêche-de-mer . 21 com), Grant Kelly, Norm Duke, Corey Howell, Morgan Jimuru, Kate Moore, Joelle Albert, John Read, Katherine Moseby, Lisa Choquette, Simon Foale, Uepi Island Resort and Nate Henry. Crown of thorns starfish . 24 Cover art: Steven Daefoni (artist), funded by GEF/IWP Fish ............................................................................................ 26 Cover photos: Anthony Plummer (www.anthonyplummer.com) and Fred Olivier (far right). Turtles ........................................................................................... 30 Text: Simon Albert, -
Caranx Ruber (Red Jack Or Bar Jack)
UWI The Online Guide to the Animals of Trinidad and Tobago Ecology Caranx ruber (Red Jack or Bar Jack) Family: Carangidae (Jacks and Pompanos) Order: Perciformes (Perch and Allied Fish) Class: Actinopterygii (Ray-finned Fish) Fig. 1. Red jack, Caranx ruber. [http://www.inaturalist.org/taxa/82330-Caranx-ruber, downloaded 6 March 2016] TRAITS. The red jack Caranx ruber grows to a recorded maximum length of 69cm (commonly less than 40cm) and weight of 6.8kg (Froese and Pauly, 2013). It is a laterally-flattened fish with medium sized eyes and long pectoral fins, silver in colour, tinted grey above and white below. There is an extended dark bar (golden-brow to black, with a streak of electric blue) along the back and into the lower lobe of the caudal (tail) fin (Fig. 1) which gives the species its alternative name of bar jack (Perrotta, 2004). The juveniles have six dark vertical bars. The mouth of the red jack has outer canine teeth and an inner band of teeth in the upper jaw, but the lower jaw only contains one band of teeth. DISTRIBUTION. The red jack is found in both tropical and subtropical areas of the western Atlantic Ocean and is said to be a common species (Carpenter, 2002). In the north, its limit is New Jersey, USA, and it extends south along the continental coast to Venezuela, including UWI The Online Guide to the Animals of Trinidad and Tobago Ecology Bermuda and the West Indies, in offshore waters (Fig. 2) (Froese and Pauly, 2013). It has also been reported far offshore at Saint Helena in the south central Atlantic (Edwards, 1993). -
Accepted Manuscript
ACCEPTED MANUSCRIPT miR-24 is involved in vertebrate LC-PUFA biosynthesis as demonstrated in marine teleost Siganus canaliculatus Cuiying Chen1#, Shuqi Wang1#, Mei Zhang1, Baojia Chen1, Cuihong You1, Dizhi Xie2, Yang Liu1, Óscar Monroig3, Douglas R. Tocher4, Khor Waiho1, Yuanyou Li2* 1 Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou 515063, China. 2 College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China. 3 Instituto de Acuicultura Torre de la Sal, Consejo Superior de Investigaciones Científicas (IATS-CSIC), 12595 Ribera de Cabanes, Castellón, Spain 4 Institute of Aquaculture, Faculty of Natural Sciences, University of Stirling, Stirling FK9 4LA, Scotland, UK. Present address: College of Marine Sciences, South China Agricultural University, 483 Wushan Road, Guangzhou 510642, China ACCEPTED MANUSCRIPT # These authors contributed equally to this work. * To whom correspondence should be addressed. Email: [email protected]; tel/fax number: +86 20 85283529. 1 ACCEPTED MANUSCRIPT ABSTRACT Recently, microRNAs (miRNAs) have emerged as crucial regulators of lipid metabolism. However, the miRNA-mediated regulatory mechanism on long-chain (≥C20) polyunsaturated fatty acids (LC-PUFA) biosynthesis in vertebrates remains largely unknown. Here, we address a potentially important role of miRNA-24 (miR-24) in the regulation of LC-PUFA biosynthesis in rabbitfish Siganus canaliculatus. miR-24 showed significantly higher abundance in liver of rabbitfish reared in brackish water than in seawater for fish fed vegetable oil diets and in S. canaliculatus hepatocyte line (SCHL) cells incubated with alpha-linolenic acid (ALA) than the control group. Similar expression patterns were also observed on the expression of sterol regulatory element-binding protein-1 (srebp1) and LC-PUFA biosynthesis related genes. -
Bioinvasions in the Mediterranean Sea 2 7
Metamorphoses: Bioinvasions in the Mediterranean Sea 2 7 B. S. Galil and Menachem Goren Abstract Six hundred and eighty alien marine multicellular species have been recorded in the Mediterranean Sea, with many establishing viable populations and dispersing along its coastline. A brief history of bioinvasions research in the Mediterranean Sea is presented. Particular attention is paid to gelatinous invasive species: the temporal and spatial spread of four alien scyphozoans and two alien ctenophores is outlined. We highlight few of the dis- cernible, and sometimes dramatic, physical alterations to habitats associated with invasive aliens in the Mediterranean littoral, as well as food web interactions of alien and native fi sh. The propagule pressure driving the Erythraean invasion is powerful in the establishment and spread of alien species in the eastern and central Mediterranean. The implications of the enlargement of Suez Canal, refl ecting patterns in global trade and economy, are briefl y discussed. Keywords Alien • Vectors • Trends • Propagule pressure • Trophic levels • Jellyfi sh • Mediterranean Sea Brief History of Bioinvasion Research came suddenly with the much publicized plans of the in the Mediterranean Sea Saint- Simonians for a “Canal de jonction des deux mers” at the Isthmus of Suez. Even before the Suez Canal was fully The eminent European marine naturalists of the sixteenth excavated, the French zoologist Léon Vaillant ( 1865 ) argued century – Belon, Rondelet, Salviani, Gesner and Aldrovandi – that the breaching of the isthmus will bring about species recorded solely species native to the Mediterranean Sea, migration and mixing of faunas, and advocated what would though mercantile horizons have already expanded with be considered nowadays a ‘baseline study’. -
Microbiome Patterns Across the Gastrointestinal Tract of the Rabbitfish Siganus Fuscescens
Microbiome patterns across the gastrointestinal tract of the rabbitfish Siganus fuscescens Shaun Nielsen, Jackson Wilkes Walburn, Adriana Vergés, Torsten Thomas and Suhelen Egan Centre for Marine Bio-Innovation and School of Biological Earth and Environmental Sciences, University of New South Wales, Sydney, Australia ABSTRACT Most of our knowledge regarding the biodiversity of gut microbes comes from terrestrial organisms or marine species of economic value, with less emphasis on ecologically important species. Here we investigate the bacterial composition associated with the gut of Siganus fuscescens, a rabbitfish that plays an important ecological role in coastal ecosystems by consuming seaweeds. Members of Firmicutes, Bacteroidetes and delta- Proteobacteria were among the dominant taxa across samples taken from the contents and the walls (sites) of the midgut and hindgut (location). Despite the high variability among individual fish, we observed statistically significant differences in beta-diversity between gut sites and gut locations. Some bacterial taxa low in abundance in the midgut content (e.g., Desulfovibrio) were found in greater abundances on the midgut wall and within the hindgut, suggesting that the gut may select for specific groups of environmental and/or food-associated microorganisms. In contrast, some distinct taxa present in the midgut content (e.g., Synechococcus) were noticeably reduced in the midgut wall and hindgut, and are thus likely to be representative of transient microbiota. This is the first assessment of -
Nutritional Characteristics and Feeding of Rabbitfish (Siganus Guttatus) in Tam Giang-Cau Hai Lagoon Systems
Journal of Agricultural Science and Technology A and B & Hue University Journal of Science 5 (2015) 561-569 D doi: 10.17265/2161-6256/2015.12.015 DAVID PUBLISHING Nutritional Characteristics and Feeding of Rabbitfish (Siganus guttatus) in Tam Giang-Cau Hai Lagoon Systems Nguyen Quang Linh1, Tran Nguyen Ngoc2, Kieu Thi Huyen2, Ngo Thi Huong Giang2 and Nguyen Van Hue2 1. Center for Incubation and Technology Transfer, Hue University, 07 Ha Noi Street, Hue City 47000, Vietnam 2. University of Agriculture and Forestry, Hue University, 102 Phung Hung Street, Hue City 47000, Vietnam Abstract: The research aimed to investigate for lagoon foodweb and dietary composition for rabbitfish in different stages (larvae, fingerlings and grower). Data were collected from two experiments using basic methods in field and laboratory. Experiments were structured on 2,000 larval head, 500 each tanks for nursery and 90 heads of three groups were collected in different seasons to laboratories for analysis of feeding intake and food compositions. Results showed that the number of omnivorous species, including animals, plants and organics, have been identified and grouped in 39 genera, 30 families, 23 sets, 8 classes and 6 branches. Animal groups have been identified as 18 breeds, 18 families, 13 lines, 3 classes and 3 animal species of industry animal. Plant foodweb, mainly Bacillariophyta, have accounted for 27 genera and 67.5% of total expenditure vegetation eaten by the rabbitfish. For the animal feed industry joint foot, Arthropoda have the highest number of 15 varieties, accounting for 83.3% of the animal’s nutritional ratio. Organic residues as food for species have the highest prevalence in digestive tract (94.4%).