Quantitative Investigations of Hatching in Brine Shrimp Cysts
Total Page:16
File Type:pdf, Size:1020Kb
Load more
Recommended publications
-
Fig. Ap. 2.1. Denton Tending His Fairy Shrimp Collection
Fig. Ap. 2.1. Denton tending his fairy shrimp collection. 176 Appendix 1 Hatching and Rearing Back in the bowels of this book we noted that However, salts may leach from soils to ultimately if one takes dry soil samples from a pool basin, make the water salty, a situation which commonly preferably at its deepest point, one can then "just turns off hatching. Tap water is usually unsatis- add water and stir". In a day or two nauplii ap- factory, either because it has high TDS, or because pear if their cysts are present. O.K., so they won't it contains chlorine or chloramine, disinfectants always appear, but you get the idea. which may inhibit hatching or kill emerging If your desire is to hatch and rear fairy nauplii. shrimps the hi-tech way, you should get some As you have read time and again in Chapter 5, guidance from Brendonck et al. (1990) and temperature is an important environmental cue for Maeda-Martinez et al. (1995c). If you merely coaxing larvae from their dormant state. You can want to see what an anostracan is like, buy some guess what temperatures might need to be ap- Artemia cysts at the local aquarium shop and fol- proximated given the sample's origin. Try incu- low directions on the container. Should you wish bation at about 3-5°C if it came from the moun- to find out what's in your favorite pool, or gather tains or high desert. If from California grass- together sufficient animals for a study of behavior lands, 10° is a good level at which to start. -
Betta Splendens: a Territorial Note
Bulletin of the Psychonomic Society 1980,16 (6),484-485 Betta splendens: A territorial note PAUL M. BRONSTEIN Trenton State College, Trenton, New Jersey 08625 Two communities of Siamese fighting fish were observed, each for about 4 months. Males occasionally built nests, and these structures were always located in corners. Consistent with Goldstein's (1975) report, male Bettas chose isolated areas for nest building and spawning. This paper is a brief report appended to a set of twice daily (1000 and 1600 h). During feedings, the existence studies concerned with the style and function of aggres and location of nests, along with subjects' positions with regard sion in male Siamese fighting fish (Betta sp/endens) to any nests, were recorded. (Bronstein, in press). In that longer article, I showed, first, that bettas build nests against vertical surfaces, Results On May 7, 1980, the male was found with a bubble with crevices and corners more preferred than flat nest in an external corner of the tank. The male, now walls. Second, it was demonstrated that nests were observed for 10 min/feeding, located himself beneath constructed far from male competitors. Third, exposure the nest almost exclusively, and this nest flxation to a male challenger led nest builders to fixate on and persisted through May 9. He left the nest only briefly enlarge their nests. and then only when in immediate pursuit of females. These individual behaviors suggest a strategy whereby During these 72 h, the male spawned with two of the animals disperse and segregate themselves as a preface to females, one at a time, near his nest. -
The Brine Shrimp Artemia: Adapted to Critical Life Conditions
REVIEW ARTICLE published: 22 June 2012 doi: 10.3389/fphys.2012.00185 The brine shrimp Artemia: adapted to critical life conditions Gonzalo M. Gajardo1* and John A. Beardmore 2 1 Laboratorio de Genética, Acuicultura & Biodiversidad, Departmento de Ciencias Básicas, Universidad de Los Lagos, Osorno, Chile 2 School of Medicine, Swansea University, Swansea, UK Edited by: The brine shrimp Artemia is a micro-crustacean, well adapted to the harsh conditions Zbigniew R. Struzik, The University of that severely hypersaline environments impose on survival and reproduction. Adapta- Tokyo, Japan tion to these conditions has taken place at different functional levels or domains, from Reviewed by: Jun Wang, Nanjing University of Posts the individual (molecular-cellular-physiological) to the population level. Such conditions are and Telecommunications, China experienced by very few equivalent macro-planktonic organisms; thus, Artemia can be Moacir Fernandes De Godoy, considered a model animal extremophile offering a unique suite of adaptations that are the Medicina de São José do Rio Preto, focus of this review.The most obvious is a highly efficient osmoregulation system to with- Brazil stand up to 10 times the salt concentration of ordinary seawater. Under extremely critical *Correspondence: Gonzalo M. Gajardo, Laboratorio de environmental conditions, for example when seasonal lakes dry-out, Artemia takes refuge Genética, Acuicultura & Biodiversidad, by producing a highly resistant encysted gastrula embryo (cyst) capable of severe dehydra- Departmento de Ciencias Básicas, tion enabling an escape from population extinction. Cysts can be viewed as gene banks that Universidad de Los Lagos, Avd. store a genetic memory of historical population conditions. Their occurrence is due to the Fuchslocher 1305, Osorno, Chile. -
Freshwater Crustaceans As an Aboriginal Food Resource in the Northern Great Basin
UC Merced Journal of California and Great Basin Anthropology Title Freshwater Crustaceans as an Aboriginal Food Resource in the Northern Great Basin Permalink https://escholarship.org/uc/item/3w8765rq Journal Journal of California and Great Basin Anthropology, 20(1) ISSN 0191-3557 Authors Henrikson, Lael S Yohe, Robert M, II Newman, Margaret E et al. Publication Date 1998-07-01 Peer reviewed eScholarship.org Powered by the California Digital Library University of California Joumal of Califomia and Great Basin Anthropology Vol. 20, No. 1, pp. 72-87 (1998). Freshwater Crustaceans as an Aboriginal Food Resource in the Northern Great Basin LAEL SUZANN HENRIKSON, Bureau of Land Management, Shoshone District, 400 W. F Street, Shoshone, ID 83352. ROBERT M. YOHE II, Archaeological Survey of Idaho, Idaho State Historical Society, 210 Main Street, Boise, ID 83702. MARGARET E. NEWMAN, Dept. of Archaeology, University of Calgary, Alberta, Canada T2N 1N4. MARK DRUSS, Idaho Power Company, 1409 West Main Street, P.O. Box 70. Boise, ID 83707. Phyllopods of the genera Triops, Lepidums, and Branchinecta are common inhabitants of many ephemeral lakes in the American West. Tadpole shrimp (Triops spp. and Lepidums spp.) are known to have been a food source in Mexico, and fairy shrimp fBranchinecta spp.) were eaten by the aborigi nal occupants of the Great Basin. Where found, these crustaceans generally occur in numbers large enough to supply abundant calories and nutrients to humans. Several ephemeral lakes studied in the Mojave Desert arul northern Great Basin currently sustain large seasonal populations of these crusta ceans and also are surrounded by numerous small prehistoric camp sites that typically contain small artifactual assemblages consisting largely of milling implements. -
Frontiers in Zoology Biomed Central
Frontiers in Zoology BioMed Central Short report Open Access Parasegmental appendage allocation in annelids and arthropods and the homology of parapodia and arthropodia Nikola-Michael Prpic Address: Georg-August-Universität Göttingen, Johann-Friedrich-Blumenbach Institut für Zoologie und Anthropologie, Abteilung für Entwicklungsbiologie, GZMB Ernst Caspari Haus, Justus-von-Liebig-Weg 11, 37077 Göttingen, Germany Email: Nikola-Michael Prpic - [email protected] Published: 20 October 2008 Received: 1 April 2008 Accepted: 20 October 2008 Frontiers in Zoology 2008, 5:17 doi:10.1186/1742-9994-5-17 This article is available from: http://www.frontiersinzoology.com/content/5/1/17 © 2008 Prpic; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Abstract The new animal phylogeny disrupts the traditional taxon Articulata (uniting arthropods and annelids) and thus calls into question the homology of the body segments and appendages in the two groups. Recent work in the annelid Platynereis dumerilii has shown that although the set of genes involved in body segmentation is similar in the two groups, the body units of annelids correspond to arthropod parasegments not segments. This challenges traditional ideas about the homology of "segmental" organs in annelids and arthropods, including their appendages. Here I use the expression of engrailed, wingless and Distal-less in the arthropod Artemia franciscana to identify the parasegment boundary and the appendage primordia. I show that the early body organization including the appendage primordia is parasegmental and thus identical to the annelid organization and by deriving the different adult appendages from a common ground plan I suggest that annelid and arthropod appendages are homologous structures despite their different positions in the adult animals. -
Wonderful Wacky Water Critters
Wonderful, Wacky, Water Critters WONDERFUL WACKY WATER CRITTERS HOW TO USE THIS BOOK 1. The “KEY TO MACROINVERTEBRATE LIFE IN THE RIVER” or “KEY TO LIFE IN THE POND” identification sheets will help you ‘unlock’ the name of your animal. 2. Look up the animal’s name in the index in the back of this book and turn to the appropriate page. 3. Try to find out: a. What your animal eats. b. What tools it has to get food. c. How it is adapted to the water current or how it gets oxygen. d. How it protects itself. 4. Draw your animal’s adaptations in the circles on your adaptation worksheet on the following page. GWQ023 Wonderful Wacky Water Critters DNR: WT-513-98 This publication is available from county UW-Extension offices or from Extension Publications, 45 N. Charter St., Madison, WI 53715. (608) 262-3346, or toll-free 877-947-7827 Lead author: Suzanne Wade, University of Wisconsin–Extension Contributing scientists: Phil Emmling, Stan Nichols, Kris Stepenuck (University of Wisconsin–Extension) and Mike Miller, Mike Sorge (Wisconsin Department of Natural Resources) Adapted with permission from a booklet originally published by Riveredge Nature Center, Newburg, WI, Phone 414/675-6888 Printed on Recycled Paper Illustrations by Carolyn Pochert and Lynne Bergschultz Page 1 CRITTER ADAPTATION CHART How does it get its food? How does it get away What is its food? from enemies? Draw your “critter” here NAME OF “CRITTER” How does it get oxygen? Other unique adaptations. Page 2 TWO COMMON LIFE CYCLES: WHICH METHOD OF GROWING UP DOES YOUR ANIMAL HAVE? egg larva adult larva - older (mayfly) WITHOUT A PUPAL STAGE? THESE ANIMALS GROW GRADUALLY, CHANGING ONLY SLIGHTLY AS THEY GROW UP. -
A Food Preference Study in Siamese Fighting Fish, Betta Splendens
University of Southern Maine USM Digital Commons Thinking Matters Symposium Student Scholarship Spring 2017 Meat, plants, or both? A food preference study in Siamese fighting fish, Betta splendens Bouradee Kim University of Southern Maine Boutavee Kim University of Southern Maine Follow this and additional works at: https://digitalcommons.usm.maine.edu/thinking_matters Part of the Marine Biology Commons Recommended Citation Kim, Bouradee and Kim, Boutavee, "Meat, plants, or both? A food preference study in Siamese fighting fish, Betta splendens" (2017). Thinking Matters Symposium. 81. https://digitalcommons.usm.maine.edu/thinking_matters/81 This Poster Session is brought to you for free and open access by the Student Scholarship at USM Digital Commons. It has been accepted for inclusion in Thinking Matters Symposium by an authorized administrator of USM Digital Commons. For more information, please contact [email protected]. Meat, plants, or both? A food preference study in Siamese fighting fish, Betta splendens Bouradee Kim and Boutavee Kim, Department of Biology, University of Southern Maine, Portland, Maine, Advisor: Chris Maher, Ph. D Data Analysis Abstract We used repeated measures ANOVA to analyze data, followed by pairwise comparisons, D. Discussion Most animals choose food based on its nutrient content and time and energy involved using JMP 12.2 (SAS Institute, Inc. 2015). We used chi-squared testing to analyze choice We predicted that Siamese fighting fish would choose to consume freeze-dried brine consuming and digesting the food. We used a discrete food preference test to investigate if data. Significance level at P < 0.05. shrimp first, followed by pellet food, and lastly, flake food. -
Laboratory Studies on the Influence of Salinity on Survival and Growth Of
Vol. 7(7), pp. 210-217, July, 2015 DOI: 10.5897/JENE2015. 0529 Article Number: 18C4DCF54377 ISSN 2006-9847 Journal of Ecology and the Natural Environment Copyright © 2015 Author(s) retain the copyright of this article http://www.academicjournals.org/JENE Full Length Research Paper Salinity effects on growth of four Artemia franciscana (Kellogg, 1906) populations, cultured in laboratory conditions from Yucatan Peninsula Castro, M. J.1*, Castro, M. G.1, Castañeda, T. H.1, Monroy, D. M. C.1, Ocampo, C. J.1, Cruz, C. I.1, Ponce-Palafox, J. T.2 and De Lara, A. R.1 1Universidad Autónoma Metropolitana-Xochimilco. Departamento El Hombre y su Ambiente. Laboratorio de Producción de Alimento Vivo. Calzada del Hueso No.1100. Col. Villa Quietud, D.F. C.P. 04960, México. 2Universidad Autónoma de Nayarit, Escuela Nacional de Ingeniería Pesquera, Lab. Bioingeniería Costera, Centro Multidisciplinario de Bahía de Banderas, Nayarit 63000, México. Received 2 June, 2015; Accepted 19 June, 2015 The aim of is study was to determine the growth performance of Mexican A. franciscana Yucatan Peninsula strains in different salinity tests. Four populations from different habitats were studied: Real de las Salinas (RSAL), Cancun (CAN), San Crisanto (CRIS) and Celestun (CEL). Nauplii from each population were inoculated in 200 L plastic tanks with 160 L of dissolved rock salt water at 40, 60, 80, 100 and 120 g L-1. The organisms were fed with Tetraselmis sp. and Pinnularia sp. microalgae (500 x 103 cells mL-1 water concentration) during the experiment period. Biometry length was measured to obtain absolute growth rate (AGR), instantaneous growth rate (IGR), and length gain (LG) values. -
Reanalysis and Revision of the Complete Mitochondrial Genome of Artemia Urmiana Günther, 1899 (Crustacea: Anostraca)
diversity Article Reanalysis and Revision of the Complete Mitochondrial Genome of Artemia urmiana Günther, 1899 (Crustacea: Anostraca) Alireza Asem 1,2,† , Amin Eimanifar 3,†, Weidong Li 4,*, Chun-Yang Shen 5, Farnaz Mahmoudi Shikhsarmast 1,6, Ya-Ting Dan 7, Hao Lu 1,2, Yang Zhou 8, You Chen 1,9, Pei-Zheng Wang 1,9,* and Michael Wink 10 1 Key Laboratory of Utilization and Protection of Tropical Marine Living Resources, Hainan Tropical Ocean University, Sanya 572000, China; [email protected] (A.A.); [email protected] (F.M.S.); [email protected] (H.L.); [email protected] (Y.C.) 2 College of Fisheries and Life Sciences, Hainan Tropical Ocean University, Sanya 572000, China 3 Independent Senior Scientist, Industrial District, Easton, MD 21601, USA; [email protected] 4 College of Ecology and Environment, Hainan Tropical Ocean University, Haikou 570000, China 5 Department of Biology, Chengde Medical University, Chengde 067000, China; [email protected] 6 College of Marine Science and Technology, Hainan Tropical Ocean University, Sanya 572000, China 7 College of Marine Science, Shanghai Ocean University, Shanghai 200000, China; [email protected] 8 Institute of Deep Sea Science and Engineering, Chinese Academy of Science, Sanya 572000, China; [email protected] 9 College of Ecology and Environment, Hainan Tropical Ocean University, Sanya 572000, China 10 Institute of Pharmacy and Molecular Biotechnology (IPMB), Heidelberg University, Im Neuenheimer Feld 364, 69120 Heidelberg, Germany; [email protected] * Correspondence: [email protected] (W.L.); [email protected] (P.-Z.W.) † Equal contribution as first author. Abstract: In the previously published mitochondrial genome sequence of Artemia urmiana (NC_021382 [JQ975176]), the taxonomic status of the examined Artemia had not been determined, due to partheno- Citation: Asem, A.; Eimanifar, A.; Li, W.; Shen, C.-Y.; Shikhsarmast, F.M.; genetic populations coexisting with A. -
Petrified Forest U.S
National Park Service Petrified Forest U.S. Department of the Interior Petrified Forest National Park Petrified Forest, Arizona Triassic Dinosaurs and Other Animals Fossils are clues to the past, allowing researchers to reconstruct ancient environments. During the Late Triassic, the climate was very different from that of today. Located near the equator, this region was humid and tropical, the landscape dominated by a huge river system. Giant reptiles and amphibians, early dinosaurs, fish, and many invertebrates lived among the dense vegetation and in the winding waterways. New fossils come to light as paleontologists continue to study the Triassic treasure trove of Petrified Forest National Park. Invertebrates Scattered throughout the sedimentary species forming vast colonies in the layers of the Chinle Formation are fossils muddy beds of the ancient lakes and of many types of invertebrates. Trace rivers. Antediplodon thomasi is one of the fossils include insect nests, termite clam fossils found in the park. galleries, and beetle borings in the petrified logs. Thin slabs of shale have preserved Horseshoe crabs more delicate animals such as shrimp, Horseshoe crabs have been identified by crayfish, and insects, including the wing of their fossilized tracks (Kouphichnium a cockroach! arizonae), originally left in the soft sediments at the bottom of fresh water Clams lakes and streams. These invertebrates Various freshwater bivalves have been probably ate worms, soft mollusks, plants, found in the Chinle Formation, some and dead fish. Freshwater Fish The freshwater streams and rivers of the (pictured). This large lobe-finned fish Triassic landscape were home to numerous could reach up to 5 feet (1.5 m) long and species of fish. -
Artemia Cysts, Artemia Mass, Blood Worm, Gammarus Mass, Siamese Fighting Fish (Betta Splendens)
Marine Science 2014, 4(2): 33-37 DOI: 10.5923/j.ms.20140402.01 The Study of Different Foods on Spawning Efficiency of Siamese Fighting Fish (Species: Betta splendens, Family: Belontiidae) Sahar Biokani1, Shahla Jamili2,*, Shohre Amini1, Jafar Sarkhosh3 1Faculty of Natural Resources, Islamic Azad University Sciences and Research, Tehran Branch 2Iranian Fisheries Research Organization, Tehran, Iran 3Isfahan University of Technology Abstract The effects of five different foods including: Blood worms, Artemia cysts, Artemia mass powder, Gammarus mass powder and ordinary commercial food were studied on Siamese fighting fish (Betta splendens) propagation efficiency during thirty days in a totally randomize design with 4 repeats. Experimental plots had been consisted of twenty 30˟30˟40 cm aquaria which a pair of male and female brood stocks was introduced to each one. Males and females were separated in each plot by a glass plate for 15 days in order to be prepared for spawning. The results of the experiment showed no significant (p>0.05) differences on spawned ova, ova diameter, and hatched ova among treatments. However, comparison of averages of referring factors showed that spawned ova, hatched ova, and ova diameter were better in those brood stocks that had been fed on Blood worm, whilst ,Ordinary commercial food treatment had resulted the weakest averages among dietary treatments. Keywords Artemia cysts, Artemia mass, Blood worm, Gammarus mass, Siamese fighting fish (Betta splendens) Scientific classification 1. Introduction Kingdom: Animalia Phylum: Chordata The Siamese fighting fish (Betta splendens, /˟b ɛ tə/) also Class: Actinopterygii known as betta, is a popular species of freshwater ornamental Order: Perciformes fish. -
Crustaceans Body Only Was ~2’ Long, Claw Was an Additional 20”
Crustaceans body only was ~2’ long, claw was an additional 20” =shelled creatures; “the insects of the sea” ! ~ 4’ long total some crustaceans are quite colorful; blue, red, ~67,000 species orange, yellow eg: lobsters, crayfish, shrimp, crabs, water fleas, many are bioluminescent copepods, barnacles, pill bugs, etc A. crustaceans are mostly aquatic, the great majority vary in size from microscopic (<0.1 mm) to 12’ are marine some crustaceans live for several decades; some inhabit most waters of the earth: ocean , arctic , freshwaters, molt throughout life high mountain creeks and lakes thermal springs, brine waters so continuous increase in size 1. many are benthic eg. crayfish & freshwater shrimp eg. especially the larger crustaceans; shrimp and crabs largest crustaceans in freshwaters eg. also isopods, amphipods some up to 2’ and weigh 9 lbs e. Ostracoda (=seed shrimp) a river shrimp, Macrobrachium jamaicense, was collected from Devils River, Tx: body was 10.5” common in freshwater and marine habitats long, 3’ long including antennae, 3 lbs mainly benthic animals that inhabit all types of eg largest (longest) is giant Japanese crab substrates in standing and running water ! up to 12’ from end of claws to tail and a weight of a few actively swim just above the substrate 40 lbs (20 kg) generally use their antennae to move Lobsters may be the longest lived Crustaceans enclosed in bivalve carapace that completely covers one was collected that weighed 35 lbs the entire animal was estimated to be 50 yrs old; Animals: Arthropoda - Crustacea;