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Influence of Dietary Protein Levels on Growth, Feed Utilization and Carcass Composition of Snakehead, Parachanna Obscura (Günther, 1861) Fingerlings
Vol. 5(5), pp. 71-77, May, 2013 DOI: 10.5897/IJFA12.074 International Journal of Fisheries and ISSN 2006-9839 ©2013 Academic Journals Aquaculture http://www.academicjournals.org/IJFA Full Length Research Paper Influence of dietary protein levels on growth, feed utilization and carcass composition of snakehead, Parachanna obscura (Günther, 1861) fingerlings Diane N. S. Kpogue 1*, Grace A. Ayanou 2, Ibrahim I. Toko 2, Guy A. Mensah 3 and Emile D. Fiogbe 1 1Unité de Recherches sur les Zones Humides, Département de Zoologie et Génétique, Faculté des Sciences et Techniques, Université d’Abomey - Calavi, B.P. 526 Cotonou, Bénin. 2Unité de Recherche en Aquaculture et Ecotoxicologie Aquatique, Faculté d’Agronomie, Université de Parakou, B.P. 123 Parakou, Bénin. 3Institut National des Recherches Agricoles du Bénin, Centre de Recherches Agricoles d’Agonkanmey.01 BP 884, Recette Principale Cotonou 01, Bénin. Accepted 12 March, 2013 Five isoenergetic semi-purified diets were formulated to evaluate the effects of dietary crude protein levels on growth and feed utilization of snakehead, Parachanna obscura (4.08 ± 0.07 g). Experimental diets were formulated to contain graded levels of crude protein (CP; 30, 40, 45, 50 and 60 g/100 g of diet). Fish feed on the tested diet in triplicate for 45 days. Seventy fingerlings were stocked per a 225 L cement tank. Growth performances and nutrient utilization parameters of fingerlings fed different diets varied significantly (P < 0.05) and the highest growth performance and nutrient utilization were obtained with fish fed on a 50% CP diet. The relationship between the dietary CP and specific growth rate (SGR) indicated that protein requirements of P. -
Assessing CITES Non-Detriment Findings Procedures for Arapaima In
Journal of Applied Ichthyology J. Appl. Ichthyol. (2009), 1–8 Received: February 19, 2009 Ó 2009 The Authors Accepted: June 22, 2009 Journal compilation Ó 2009 Blackwell Verlag, Berlin doi:10.1111/j.1439-0426.2009.01355.x ISSN 0175–8659 Assessing CITES non-detriment findings procedures for Arapaima in Brazil By L. Castello1,2 and D. J. Stewart3 1The Woods Hole Research Center, Falmouth, MA, USA; 2The Mamiraua´ Institute for Sustainable Development, Tefe´, Amazonas, Brazil; 3Department of Environmental and Forest Biology, College of Environmental Science and Forestry, State University of New York, Syracuse, NY, USA Summary problems in making non-detrimental findings result mainly Arapaima are listed as endangered fishes according to the from lack of capacity and resources to implement monitoring Convention on International Trade of Endangered Species of schemes across the wide range of species in international Wild Fauna and Flora (CITES), thus their international trade trade.Õ Consequently, the CITES Secretariat has been seeking is regulated by non-detriment finding (NDF) procedures. The to improve existing NDF procedures: in 2008 an international authors critically assessed BrazilÕs regulations for NDF pro- workshop on the topic included a series of case studies cedures for Arapaima using IUCNÕs checklist for making covering various regions and taxa worldwide. The present NDFs, and found that those regulations cannot ensure the study was developed for that workshop, contributing to the sustainability of Arapaima populations. Arapaima are among implementation of more effective NDF procedures for tropical the largest fishes in the world, migrate short distances among fishes. several floodplain habitats, and are very vulnerable to fishing Tropical fishes are affected by the same broad range of during spawning. -
Snakeheadsnepal Pakistan − (Pisces,India Channidae) PACIFIC OCEAN a Biologicalmyanmar Synopsis Vietnam
Mongolia North Korea Afghan- China South Japan istan Korea Iran SnakeheadsNepal Pakistan − (Pisces,India Channidae) PACIFIC OCEAN A BiologicalMyanmar Synopsis Vietnam and Risk Assessment Philippines Thailand Malaysia INDIAN OCEAN Indonesia Indonesia U.S. Department of the Interior U.S. Geological Survey Circular 1251 SNAKEHEADS (Pisces, Channidae)— A Biological Synopsis and Risk Assessment By Walter R. Courtenay, Jr., and James D. Williams U.S. Geological Survey Circular 1251 U.S. DEPARTMENT OF THE INTERIOR GALE A. NORTON, Secretary U.S. GEOLOGICAL SURVEY CHARLES G. GROAT, Director Use of trade, product, or firm names in this publication is for descriptive purposes only and does not imply endorsement by the U.S. Geological Survey. Copyrighted material reprinted with permission. 2004 For additional information write to: Walter R. Courtenay, Jr. Florida Integrated Science Center U.S. Geological Survey 7920 N.W. 71st Street Gainesville, Florida 32653 For additional copies please contact: U.S. Geological Survey Branch of Information Services Box 25286 Denver, Colorado 80225-0286 Telephone: 1-888-ASK-USGS World Wide Web: http://www.usgs.gov Library of Congress Cataloging-in-Publication Data Walter R. Courtenay, Jr., and James D. Williams Snakeheads (Pisces, Channidae)—A Biological Synopsis and Risk Assessment / by Walter R. Courtenay, Jr., and James D. Williams p. cm. — (U.S. Geological Survey circular ; 1251) Includes bibliographical references. ISBN.0-607-93720 (alk. paper) 1. Snakeheads — Pisces, Channidae— Invasive Species 2. Biological Synopsis and Risk Assessment. Title. II. Series. QL653.N8D64 2004 597.8’09768’89—dc22 CONTENTS Abstract . 1 Introduction . 2 Literature Review and Background Information . 4 Taxonomy and Synonymy . -
Oklahoma Aquatic Nuisance Species Management Plan
OKLAHOMA AQUATIC NUISANCE SPECIES MANAGEMENT PLAN Zebra Mussels White Perch Golden Alga Hydrilla TABLE OF CONTENTS Table of Contents……..................................................................................................... 3 Executive Summary......................................................................................................... 4 Introduction.......................................................................................................................6 Problem Definition..........................................................................................................10 Goals..............................................................................................................................23 Existing Authorities and Programs.................................................................................24 Objectives, Strategies, Actions & Cost Estimates..........................................................32 Objective 1: Coordinate and implement a comprehensive management plan..........32 Objective 2: Prevent the introduction of new ANS into Oklahoma............................35 Objective 3: Detect, monitor, and eradicate ANS......................................................38 Objective 4: Control & eradicate established ANS that have significant impacts…..40 Objective 5: Educate resource user groups..............................................................43 Objective 6: Conduct/support research.....................................................................45 -
AN ECOLOGICAL and SYSTEMATIC SURVEY of FISHES in the RAPIDS of the LOWER ZA.Fre OR CONGO RIVER
AN ECOLOGICAL AND SYSTEMATIC SURVEY OF FISHES IN THE RAPIDS OF THE LOWER ZA.fRE OR CONGO RIVER TYSON R. ROBERTS1 and DONALD J. STEWART2 CONTENTS the rapids habitats, and the adaptations and mode of reproduction of the fishes discussed. Abstract ______________ ----------------------------------------------- 239 Nineteen new species are described from the Acknowledgments ----------------------------------- 240 Lower Zaire rapids, belonging to the genera Introduction _______________________________________________ 240 Mormyrus, Alestes, Labeo, Bagrus, Chrysichthys, Limnology ---------------------------------------------------------- 242 Notoglanidium, Gymnallabes, Chiloglanis, Lampro Collecting Methods and Localities __________________ 244 logus, Nanochromis, Steatocranus, Teleogramma, Tabulation of species ---------------------------------------- 249 and Mastacembelus, most of them with obvious Systematics -------------------------------------------------------- 249 modifications for life in the rapids. Caecomasta Campylomormyrus _______________ 255 cembelus is placed in the synonymy of Mastacem M ormyrus ____ --------------------------------- _______________ 268 belus, and morphologically intermediate hybrids Alestes __________________ _________________ 270 reported between blind, depigmented Mastacem Bryconaethiops -------------------------------------------- 271 belus brichardi and normally eyed, darkly pig Labeo ---------------------------------------------------- _______ 274 mented M astacembelus brachyrhinus. The genera Bagrus -
(Colossoma Macropomum, Cuvier, 1818) Under Different Photoperiods
Revista Brasileira de Zootecnia © 2012 Sociedade Brasileira de Zootecnia ISSN 1806-9290 R. Bras. Zootec., v.41, n.6, p.1337-1341, 2012 www.sbz.org.br Morphometrical development of tambaqui (Colossoma macropomum, Cuvier, 1818) under different photoperiods Pedro Pierro Mendonça1*, Manuel Vazquez Vidal Junior2, Marcelo Fanttini Polese3, Monique Virães Barbosa dos Santos4, Fabrício Pereira Rezende5, Dalcio Ricardo de Andrade2 1 Doutorando em Ciência Animal - LZNA/CCTA/UENF. 2 LZNA/ CCTA/UENF, Campos dos Goytacazes, RJ, Brasil. 3 Mestrando em Ciência Animal - LZNA/CCTA/UENF. 4 Mestranda em Produção Animal - LZNA/CCTA/UENF. 5 Doutorando em Zootecnia/EMBRAPA Pesca e Aquicultura - Palmas, TO. ABSTRACT - The experiment was performed with 160 tambaqui (Colossoma macropomum) with average weight 11.01±2.08 g and total length 7.8±0.18 cm. Fishes were kept in sixteen aquariums with 56 L of water at 29.1±0.4 oC of temperature, initial stocking density 1.97 g/L and constant aeration. The objective of this study was to assess the influence of photoperiod on fish performance. Treatments consisted of four photoperiods: T1 = 6 hours; T2 = 12 hours; T3 = 18 hours and T4 = 24 hours, with four replicates each. Fishes were fed twice a day with commercial extruded feed (28% of crude protein). The experiment was developed in closed circulation system, with volume of water renewal for each experimental unit equivalent to 40 times daily. Fish biometry was performed at the beginning of the experiment and at every 16 days, in order to follow the effects of treatments on juvenile development. Final weight, total length, standard length, height, feed intake, weight gain, feed conversion, survival, specific growth rate, protein efficiency rate and protein retention efficiency were assessed. -
Natchito Ches News
Volume 1, Issue 8 May 2011 Manager’s Corner By: Karen Kilpatrick If April showers tions peoples, the Na- Her love for her peo- bring May flowers, tive Americans were, ple was extraordinary what do May flowers and are, great conser- and was evidenced by bring? The age old vationists. It is with the passion she ex- rhyme brings up vi- great sorrow that I hibited during the sions of brave men share that one of the eight years we and women coming great First Nations worked together to over to establish the pillars passed away repatriate four partial freedoms we enjoy on Friday, May 20, sets of remains re- today. But before the 2011. Her name is moved from hatchery European settlers ar- LaRue Parker. grounds in the early rived there were LaRue was a remark- 1930‟s. The remains many Native Ameri- able woman who were taken by arche- cans who stewarded served the Caddo ologists during the this great land of people her entire life. hatchery‟s construc- ours. Also often re- She was a past Caddo tion days and ferred to as First Na- Nation Chairperson. “stored” at the Smith- .S. FISH & WILDLIFE SERVICE Caddo Nation Chairperson LaRue Parker signing the Memorandum of Agree- ment between the U.S. Fish and Wildlife Service and the Caddo Indian National establishing a Keep Safe Cemetery on hatchery grounds. Credit: Gary Hardison Natchitoches News sonian for over 75 years be- fore being returned to the Caddo people and reburied here at the hatchery in the grounds from which they were so long removed. -
A Guide to the Parasites of African Freshwater Fishes
A Guide to the Parasites of African Freshwater Fishes Edited by T. Scholz, M.P.M. Vanhove, N. Smit, Z. Jayasundera & M. Gelnar Volume 18 (2018) Chapter 2.1. FISH DIVERSITY AND ECOLOGY Martin REICHARD Diversity of fshes in Africa Fishes are the most taxonomically diverse group of vertebrates and Africa shares a large portion of this diversity. This is due to its rich geological history – being a part of Gondwana, it shares taxa with the Neotropical region, whereas recent close geographical affnity to Eurasia permitted faunal exchange with European and Asian taxa. At the same time, relative isolation and the complex climatic and geological history of Africa enabled major diversifcation within the continent. The taxonomic diversity of African freshwater fshes is associated with functional and ecological diversity. While freshwater habitats form a tiny fraction of the total surface of aquatic habitats compared with the marine environment, most teleost fsh diversity occurs in fresh waters. There are over 3,200 freshwater fsh species in Africa and it is likely several hundreds of species remain undescribed (Snoeks et al. 2011). This high diversity and endemism is likely mirrored in diversity and endemism of their parasites. African fsh diversity includes an ancient group of air-breathing lungfshes (Protopterus spp.). Other taxa are capable of breathing air and tolerate poor water quality, including several clariid catfshes (e.g., Clarias spp.; Fig. 2.1.1D) and anabantids (Ctenopoma spp.). Africa is also home to several bichir species (Polypterus spp.; Fig. 2.1.1A), an ancient fsh group endemic to Africa, and bonytongue Heterotis niloticus (Cuvier, 1829) (Osteoglossidae), a basal actinopterygian fsh. -
A Review of the Systematic Biology of Fossil and Living Bony-Tongue Fishes, Osteoglossomorpha (Actinopterygii: Teleostei)
Neotropical Ichthyology, 16(3): e180031, 2018 Journal homepage: www.scielo.br/ni DOI: 10.1590/1982-0224-20180031 Published online: 11 October 2018 (ISSN 1982-0224) Copyright © 2018 Sociedade Brasileira de Ictiologia Printed: 30 September 2018 (ISSN 1679-6225) Review article A review of the systematic biology of fossil and living bony-tongue fishes, Osteoglossomorpha (Actinopterygii: Teleostei) Eric J. Hilton1 and Sébastien Lavoué2,3 The bony-tongue fishes, Osteoglossomorpha, have been the focus of a great deal of morphological, systematic, and evolutio- nary study, due in part to their basal position among extant teleostean fishes. This group includes the mooneyes (Hiodontidae), knifefishes (Notopteridae), the abu (Gymnarchidae), elephantfishes (Mormyridae), arawanas and pirarucu (Osteoglossidae), and the African butterfly fish (Pantodontidae). This morphologically heterogeneous group also has a long and diverse fossil record, including taxa from all continents and both freshwater and marine deposits. The phylogenetic relationships among most extant osteoglossomorph families are widely agreed upon. However, there is still much to discover about the systematic biology of these fishes, particularly with regard to the phylogenetic affinities of several fossil taxa, within Mormyridae, and the position of Pantodon. In this paper we review the state of knowledge for osteoglossomorph fishes. We first provide an overview of the diversity of Osteoglossomorpha, and then discuss studies of the phylogeny of Osteoglossomorpha from both morphological and molecular perspectives, as well as biogeographic analyses of the group. Finally, we offer our perspectives on future needs for research on the systematic biology of Osteoglossomorpha. Keywords: Biogeography, Osteoglossidae, Paleontology, Phylogeny, Taxonomy. Os peixes da Superordem Osteoglossomorpha têm sido foco de inúmeros estudos sobre a morfologia, sistemática e evo- lução, particularmente devido à sua posição basal dentre os peixes teleósteos. -
Diversity and Risk Patterns of Freshwater Megafauna: a Global Perspective
Diversity and risk patterns of freshwater megafauna: A global perspective Inaugural-Dissertation to obtain the academic degree Doctor of Philosophy (Ph.D.) in River Science Submitted to the Department of Biology, Chemistry and Pharmacy of Freie Universität Berlin By FENGZHI HE 2019 This thesis work was conducted between October 2015 and April 2019, under the supervision of Dr. Sonja C. Jähnig (Leibniz-Institute of Freshwater Ecology and Inland Fisheries), Jun.-Prof. Dr. Christiane Zarfl (Eberhard Karls Universität Tübingen), Dr. Alex Henshaw (Queen Mary University of London) and Prof. Dr. Klement Tockner (Freie Universität Berlin and Leibniz-Institute of Freshwater Ecology and Inland Fisheries). The work was carried out at Leibniz-Institute of Freshwater Ecology and Inland Fisheries, Germany, Freie Universität Berlin, Germany and Queen Mary University of London, UK. 1st Reviewer: Dr. Sonja C. Jähnig 2nd Reviewer: Prof. Dr. Klement Tockner Date of defense: 27.06. 2019 The SMART Joint Doctorate Programme Research for this thesis was conducted with the support of the Erasmus Mundus Programme, within the framework of the Erasmus Mundus Joint Doctorate (EMJD) SMART (Science for MAnagement of Rivers and their Tidal systems). EMJDs aim to foster cooperation between higher education institutions and academic staff in Europe and third countries with a view to creating centres of excellence and providing a highly skilled 21st century workforce enabled to lead social, cultural and economic developments. All EMJDs involve mandatory mobility between the universities in the consortia and lead to the award of recognised joint, double or multiple degrees. The SMART programme represents a collaboration among the University of Trento, Queen Mary University of London and Freie Universität Berlin. -
Out of Lake Tanganyika: Endemic Lake Fishes Inhabit Rapids of the Lukuga River
355 Ichthyol. Explor. Freshwaters, Vol. 22, No. 4, pp. 355-376, 5 figs., 3 tabs., December 2011 © 2011 by Verlag Dr. Friedrich Pfeil, München, Germany – ISSN 0936-9902 Out of Lake Tanganyika: endemic lake fishes inhabit rapids of the Lukuga River Sven O. Kullander* and Tyson R. Roberts** The Lukuga River is a large permanent river intermittently serving as the only effluent of Lake Tanganyika. For at least the first one hundred km its water is almost pure lake water. Seventy-seven species of fish were collected from six localities along the Lukuga River. Species of cichlids, cyprinids, and clupeids otherwise known only from Lake Tanganyika were identified from rapids in the Lukuga River at Niemba, 100 km from the lake, whereas downstream localities represent a Congo River fish fauna. Cichlid species from Niemba include special- ized algal browsers that also occur in the lake (Simochromis babaulti, S. diagramma) and one invertebrate picker representing a new species of a genus (Tanganicodus) otherwise only known from the lake. Other fish species from Niemba include an abundant species of clupeid, Stolothrissa tanganicae, otherwise only known from Lake Tangan- yika that has a pelagic mode of life in the lake. These species demonstrate that their adaptations are not neces- sarily dependent upon the lake habitat. Other endemic taxa occurring at Niemba are known to frequent vegetat- ed shore habitats or river mouths similar to the conditions at the entrance of the Lukuga, viz. Chelaethiops minutus (Cyprinidae), Lates mariae (Latidae), Mastacembelus cunningtoni (Mastacembelidae), Astatotilapia burtoni, Ctenochromis horei, Telmatochromis dhonti, and Tylochromis polylepis (Cichlidae). The Lukuga frequently did not serve as an ef- fluent due to weed masses and sand bars building up at the exit, and low water levels of Lake Tanganyika. -
SERIES SYNOPSIS Extreme Angler, Jeremy Wade, Is on the Hunt for Freshwater Fish with a Taste for Human Flesh
RIVER MONSTERS 7 X 60 SERIES SYNOPSIS Extreme angler, Jeremy Wade, is on the hunt for freshwater fish with a taste for human flesh. This rip-roaring ride through the dark side of nature mixes action and adventure with mysteries, edge of the seat chase and a battle of wills between man and almost supernatural beasts who lurk in the serpentine waterways of the planet, mooching murderously underwater, growing to truly awesome sizes. Like all the best horror movies the images are intense and immediate, the grade is gritty and real, together heightening the drama on screen. With graphics overlaying the live action of a fish, Jeremy illustrates to the viewer, like a forensic investigation, exactly how these river monsters are constructed to kill. Killer Catfish Two years ago, on the treacherous Kali River, high in the mountains of Northern India, Jeremy unearthed the mother of all fisherman’s tales – and the ultimate freshwater horror: A super-sized freshwater fish turned man-eater. Jeremy takes on the biggest, toughest challenge he’s ever faced as he heads back to the Himalayas to separate fact from fiction and track down the monstrous beast. • Jeremy throws himself into the treacherous and swollen fast-funning waters of the Kali river in order to land a fish that could have claimed numerous human victims • A world record Goonch is landed on the banks of the river Piranha – pee-rah-nah In 1976 a packed coach crashed into the Amazon killing 39 people. By the time the bodies were pulled out by rescuers some had been so viciously mutilated by they could only be identified by their clothes.