History and Status of the VIMS Fish Collection (1951-1992)
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A New Stingray from South Africa
Nature Vol. 289 22 January 1981 221 A new stingray from South Africa from Alwyne Wheeler ICHTHYOLOGISTS are accustomed to the regular description of previously un recognized species of fishes, which if not a daily event at least happens so frequently as not to cause great comment. Previously undescribed genera are like wise not infrequently published, but higher categories are increasingly less common. The discovery of a new stingray, which is so different from all known rays as to require both a new family and a new suborder to accommodate its distinctive characters, is therefore a remarkable event. A recent paper by P.e. Heemstra and M.M. Smith (Ichthyological Bulletin oj the J. L.B. Smith Institute of Ichthyology 43, I; 1980) describes this most striking ray as Hexatrygon bickelli and discusses its differences from other batoid fishes. Surprisingly, this remarkable fish was not the result of some organized deep-sea fishing programme, but was found lying on the beach at Port Elizabeth. It was fresh but had suffered some loss of skin by sand abrasion on the beach, and the margins of its fins appeared desiccated in places. The way it was discovered leaves a tantalising question as to its normal habitat, but Heemstra and Smith suggest that it may live in moderately deep water of 400-1,000m. This suggestion is Ventral view of Hexatrygon bickelli supported by its general appearance (small eyes, thin black dorsal skin, f1acid an acellular jelly, while the underside is chimaeroids Rhinochimaera and snout) and the chemistry of its liver-oil. richly supplied with well developed Harriota, and there can be little doubt The classification of Hexatrygon ampullae of Lorenzini. -
Report of the Workshop on Eel and Salmon DCF Data (WKESDCF)
ICES WKESDCF REPORT 2012 ICES ADVISORY COMMITTEE ICES CM / ACOM:62 REF. PGCCDBS, WGEEL, WGNAS, WGRECORDS Report of the Workshop on Eel and Salmon DCF Data (WKESDCF) 3 – 6 July 2012 ICES HQ, Copenhagen, Denmark International Council for the Exploration of the Sea Conseil International pour l’Exploration de la Mer H. C. Andersens Boulevard 44–46 DK-1553 Copenhagen V Denmark Telephone (+45) 33 38 67 00 Telefax (+45) 33 93 42 15 www.ices.dk [email protected] Recommended format for purposes of citation: ICES. 2012. Report of the Workshop on Eel and Salmon DCF Data (WKESDCF), 3 – 6 July 2012, ICES HQ, Copenhagen, Denmark. ICES CM / ACOM:62. 67 pp. For permission to reproduce material from this publication, please apply to the Gen- eral Secretary. The document is a report of an Expert Group under the auspices of the International Council for the Exploration of the Sea and does not necessarily represent the views of the Council. © 2012 International Council for the Exploration of the Sea ICES WKESDCF REPORT 2012 | i Contents 1 Introduction .................................................................................................................... 3 1.1 Purpose of the Workshop .................................................................................... 3 1.2 Organization of the meeting ............................................................................... 3 1.3 Structure of the report .......................................................................................... 4 2 Current DCF requirements relating to eel and salmon -
Early Stages of Fishes in the Western North Atlantic Ocean Volume
ISBN 0-9689167-4-x Early Stages of Fishes in the Western North Atlantic Ocean (Davis Strait, Southern Greenland and Flemish Cap to Cape Hatteras) Volume One Acipenseriformes through Syngnathiformes Michael P. Fahay ii Early Stages of Fishes in the Western North Atlantic Ocean iii Dedication This monograph is dedicated to those highly skilled larval fish illustrators whose talents and efforts have greatly facilitated the study of fish ontogeny. The works of many of those fine illustrators grace these pages. iv Early Stages of Fishes in the Western North Atlantic Ocean v Preface The contents of this monograph are a revision and update of an earlier atlas describing the eggs and larvae of western Atlantic marine fishes occurring between the Scotian Shelf and Cape Hatteras, North Carolina (Fahay, 1983). The three-fold increase in the total num- ber of species covered in the current compilation is the result of both a larger study area and a recent increase in published ontogenetic studies of fishes by many authors and students of the morphology of early stages of marine fishes. It is a tribute to the efforts of those authors that the ontogeny of greater than 70% of species known from the western North Atlantic Ocean is now well described. Michael Fahay 241 Sabino Road West Bath, Maine 04530 U.S.A. vi Acknowledgements I greatly appreciate the help provided by a number of very knowledgeable friends and colleagues dur- ing the preparation of this monograph. Jon Hare undertook a painstakingly critical review of the entire monograph, corrected omissions, inconsistencies, and errors of fact, and made suggestions which markedly improved its organization and presentation. -
RECOVERY POTENTIAL ASSESSMENT of AMERICAN EEL (Anguilla Rostrata) in EASTERN CANADA
Gulf, Central & Arctic, Maritimes, Canadian Science Advisory Secretariat Newfoundland and Labrador, Quebec Science Advisory Report 2013/078 RECOVERY POTENTIAL ASSESSMENT OF AMERICAN EEL (Anguilla rostrata) IN EASTERN CANADA Illustration credit: US Fish and Wildlife Service Figure 1. American Eel Recovery Potential Assessment zones in eastern Canada. Interior zones boundaries follow watershed limits and exterior boundaries follow the 500 m bathymetric contour. Context: The American Eel (Anguilla rostrata) is widely distributed in freshwater, estuarine and protected coastal areas of eastern Canada (including Lake Ontario and the upper St. Lawrence River). It is a facultatively catadromous fish, spawning in the Sargasso Sea and the recruiting stages return to continental waters along the western North Atlantic Ocean to grow and mature. In April 2012, the Committee on the Status of Endangered Wildlife in Canada (COSEWIC) concluded that American Eel from eastern Canada belonged to one Designatable Unit, and assessed its status as Threatened because of declines in abundance indices over the last two or more generations. American Eel is being considered for legal listing under the Species at Risk Act (SARA; the Act). In advance of making a listing decision, Fisheries and Oceans Canada (DFO) has been asked to undertake a Recovery Potential Assessment (RPA). This RPA summarizes the current understanding of the distribution, abundance and population trends of American Eel, along with recovery targets and timeframes. The current state of knowledge about habitat requirements, threats to both habitat and American Eel, and measures to mitigate these impacts are also included. This information may be used to inform both scientific and socio-economic elements of the listing decision, development of a recovery strategy and action plan, and to support decision-making with regards to the issuance of permits, agreements and related conditions of the Act. -
Report on the First Scotian Shelf Ichthyoplankton Program
NOT TO BE CITED WITHOUT PRIOR REFERENCE TO THE AUTHOR (S) International Commission for a the Northwest Atlantic Fisheries Serial No. 5179 ICNAF Res. Doc. 78/VI/21 (D.c.1) ANNUAl MEETING - JUNE 1978 Report on the First Scotian Shelf Ichthyoplanktoll Program (SSIP) Workshop, 29 August to 3 September 1977, St. Andrews, N. B. Sponsored by Department of Fisheries and Environment Marine Fish Division Resource Branch, Maritimes Bedford Institute of Oceanography Dartmouth, Nova Scotia TABLE OF CONTENTS Page Abstract 2 Terms of Reference 2 Introduction 4 Oceanographic Regime •••••..••••.•.•.•••••••..••••••.••..•. 4 Overview of Present Approaches ••••••••••••••••••..•••.•••• 6 - Canada 6 - United States of America 13 - Un! ted Kingdom 19 - Federal Republic of Germany......................... 24 Sampling Recommendations 25 Sorting Protocols 26 Planning Sessions 26 Summary and Resolutions ••••••••.•..••...•••.••••...•.•.•.• 27 References 28 List of participants 30 Convener P. F. Lett Rapporteur: J. F. Schweigert C2 - 2 - ABSTRACT The Scotian Shelf ichthyoplankton workshop was organized to draw on expertise from other prevailing programs and to incorporate any new ideas on ichthyoplankton ecology and sampling 8S it might relate to the stock-recruitment problem and fisheries management. Experts from a number of leading fisheries laboratories presented overviews of their ichthyoplankton programs and approaches to fisheries management. The importance of understanding the eJirly life history of most fish species was emphasized and some pre! iminary reBul -
Ices/Nafo Wgdec Report 2015
ICES/NAFO WGDEC REPORT 2015 ICES ADVISORY COMMITTEE ICES CM 2015/ACOM:27 Report of the ICES/NAFO Joint Working Group on Deep-water Ecology (WGDEC) 16–20 February 2015 Horta, Azores, Portugal International Council for the Exploration of the Sea Conseil International pour l’Exploration de la Mer H. C. Andersens Boulevard 44–46 DK-1553 Copenhagen V Denmark Telephone (+45) 33 38 67 00 Telefax (+45) 33 93 42 15 www.ices.dk [email protected] Recommended format for purposes of citation: ICES. 2015. Report of the ICES/NAFO Joint Working Group on Deep-water Ecology (WGDEC), 16–20 February 2015, Horta, Azores, Portugal. ICES CM 2015/ACOM:27. 113 pp. For permission to reproduce material from this publication, please apply to the Gen- eral Secretary. The document is a report of an Expert Group under the auspices of the International Council for the Exploration of the Sea and does not necessarily represent the views of the Council. © 2015 International Council for the Exploration of the Sea ICES/NAFO WGDEC REPORT 2015 | i Contents Executive summary ................................................................................................................ 4 Opening of the meeting ........................................................................................................ 5 1 Adoption of the agenda ................................................................................................ 6 2 Provide all available new information on distribution of VMEs in the North Atlantic with a view to advising on any new closures to bottom fisheries or revision of existing closures to bottom fisheries (NEAFC standing request). In addition, provide new information on location of habitats sensitive to particular fishing activities (i.e. vulnerable marine ecosystems, VMEs) within EU waters (EC request) ................................... 8 2.1 Introduction ........................................................................................................... 8 2.2 Areas within the NEAFC regulatory area ........................................................ -
Bering Sea Integrated Ecosystem Research Program
NORTH PACIFIC RESEARCH BOARD BERING SEA INTEGRATED ECOSYSTEM RESEARCH PROGRAM FINAL REPORT Ichthyoplankton: horizontal, vertical, and temporal distribution of larvae and juveniles of Walleye Pollock, Pacific Cod, and Arrowtooth Flounder, and transport pathways between nursery areas NPRB BSIERP Project B53 Final Report Janet Duffy-Anderson1, Franz Mueter2, Nicola Hillgruber2, Ann Matarese1, Jeffrey Napp1, Lisa Eisner3, T. Smart4, 5, Elizabeth Siddon2, 1, Lisa De Forest1, Colleen Petrik2, 6 1Alaska Fisheries Science Center, National Oceanic and Atmospheric Administration, 7600 Sand Point Way NE, Seattle, WA 98115, USA 2University of Alaska Fairbanks, School of Fisheries and Ocean Sciences, 17101 Point Lena Loop Road, Juneau, AK 99801 USA 3Ted Stevens Marine Research Institute, Alaska Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, 17109 Pt. Lena Loop Road, Juneau, AK 99801, USA 4School of Aquatic and Fishery Sciences, University of Washington, Seattle, WA 98195-5020, USA 5Present affiliation: Marine Resources Research Institute, South Carolina Department of Natural Resources, Charleston, South Carolina 29422, USA 6Present affiliation: UC Santa Cruz, Institute of Marine Sciences, 110 Shaffer Rd., Santa Cruz, CA 95060, USA December 2014 1 Table of Contents Page Abstract ........................................................................................................................................................... 3 Study Chronology .......................................................................................................................................... -
Electrosensory Pore Distribution and Feeding in the Basking Shark Cetorhinus Maximus (Lamniformes: Cetorhinidae)
Vol. 12: 33–36, 2011 AQUATIC BIOLOGY Published online March 3 doi: 10.3354/ab00328 Aquat Biol NOTE Electrosensory pore distribution and feeding in the basking shark Cetorhinus maximus (Lamniformes: Cetorhinidae) Ryan M. Kempster*, Shaun P. Collin The UWA Oceans Institute and the School of Animal Biology, The University of Western Australia, 35 Stirling Highway, Crawley, Western Australia 6009, Australia ABSTRACT: The basking shark Cetorhinus maximus is the second largest fish in the world, attaining lengths of up to 10 m. Very little is known of its sensory biology, particularly in relation to its feeding behaviour. We describe the abundance and distribution of ampullary pores over the head and pro- pose that both the spacing and orientation of electrosensory pores enables C. maximus to use passive electroreception to track the diel vertical migrations of zooplankton that enable the shark to meet the energetic costs of ram filter feeding. KEY WORDS: Ampullae of Lorenzini · Electroreception · Filter feeding · Basking shark Resale or republication not permitted without written consent of the publisher INTRODUCTION shark Rhincodon typus and the megamouth shark Megachasma pelagios, which can attain lengths of up Electroreception is an ancient sensory modality that to 14 and 6 m, respectively (Compagno 1984). These 3 has evolved independently across the animal kingdom filter-feeding sharks are among the largest living in multiple groups (Scheich et al. 1986, Collin & White- marine vertebrates (Compagno 1984) and yet they are head 2004). Repeated independent evolution of elec- all able to meet their energetic costs through the con- troreception emphasises the importance of this sense sumption of tiny zooplankton. -
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. -
American Eel Anguilla Rostrata
COSEWIC Assessment and Status Report on the American Eel Anguilla rostrata in Canada SPECIAL CONCERN 2006 COSEWIC COSEPAC COMMITTEE ON THE STATUS OF COMITÉ SUR LA SITUATION ENDANGERED WILDLIFE DES ESPÈCES EN PÉRIL IN CANADA AU CANADA COSEWIC status reports are working documents used in assigning the status of wildlife species suspected of being at risk. This report may be cited as follows: COSEWIC 2006. COSEWIC assessment and status report on the American eel Anguilla rostrata in Canada. Committee on the Status of Endangered Wildlife in Canada. Ottawa. x + 71 pp. (www.sararegistry.gc.ca/status/status_e.cfm). Production note: COSEWIC would like to acknowledge V. Tremblay, D.K. Cairns, F. Caron, J.M. Casselman, and N.E. Mandrak for writing the status report on the American eel Anguilla rostrata in Canada, overseen and edited by Robert Campbell, Co-chair (Freshwater Fishes) COSEWIC Freshwater Fishes Species Specialist Subcommittee. Funding for this report was provided by Environment Canada. For additional copies contact: COSEWIC Secretariat c/o Canadian Wildlife Service Environment Canada Ottawa, ON K1A 0H3 Tel.: (819) 997-4991 / (819) 953-3215 Fax: (819) 994-3684 E-mail: COSEWIC/[email protected] http://www.cosewic.gc.ca Également disponible en français sous le titre Évaluation et Rapport de situation du COSEPAC sur l’anguille d'Amérique (Anguilla rostrata) au Canada. Cover illustration: American eel — (Lesueur 1817). From Scott and Crossman (1973) by permission. ©Her Majesty the Queen in Right of Canada 2004 Catalogue No. CW69-14/458-2006E-PDF ISBN 0-662-43225-8 Recycled paper COSEWIC Assessment Summary Assessment Summary – April 2006 Common name American eel Scientific name Anguilla rostrata Status Special Concern Reason for designation Indicators of the status of the total Canadian component of this species are not available. -
Diurnal and Tidal Vertical Migration of Pre- Settlement King George Whiting
MARINE ECOLOGY PROGRESS SERIES Vol. 170: 239-248.1998 Published September 3 Mar Ecol Prog Ser Diurnal and tidal vertical migration of pre- settlement King George whiting Sillaginodes punctata in relation to feeding and vertical distribution of prey in a temperate bay Gregory P. ~enkins'l*,Dirk C. welsford2,Michael J. ~eough~,Paul A. Hamer1 'Marine and Freshwater Resources Institute, PO Box 114, Queenscliff, Victoria 3225, Australia 'Department of Zoology, University of Melbourne, Parkville, Victoria 3052. Australia ABSTRACT: Vertically stratified sampling was undertaken for pre-settlement Kng George whiting Sil- laglnodespunctata at 1 site in 1995 and 4 sites in 1996, in Port Phillip Bay, Australia. In 1995, 3 depth strata were sampled: surface, 2.5-3.0 m, and 5.0-5.5 m, in a total water depth of 7 to 8 m. Samphng was conducted on 17 dates and encon~passedall combinations of day and night, and ebb and flood tide. A total of 3, or in one case 4, replicate samples were taken at each depth. On 4 occasions a smaller zoo- plankton net was deployed at the same time as the ichthyoplankton net. Pre-settlement S. punctata showed 'reverse' &urnal vertical migration, with concentration near the surface during the day and dif- fusion through the water column at night. A much weaker tidal migration was also detected, with lar- vae slightly higher in the water column on flood tides. Pre-settlement S. punctata only fed in daylight and zooplankton taxa that were eaten did not show vertical stratification during daytime. In 1996. 4 sites were sampled at a minimum of 10 m depth, and an additional depth stratum, 7.5-8.0 m, was sam- pled. -
Morphology and Mathematics. by D'arcy Wentworth Thompson. The
( 857 ) XXVII.—Morphology and Mathematics. By D'Arcy Wentworth Thompson. (Read December 7, 1914. MS. received February 1, 1915. Issued separately June 22, 1915.) The study of Organic Form, which we call by GOETHE'S name of Morphology, is but a portion of that wider Science of Form which deals with the forms assumed by matter under all aspects and conditions, and, in a still wider sense, with Forms which are theoretically imaginable. The study of Form may be descriptive merely, or it may become analytical. We begin by describing the shape of an object in the simple words of common speech : we end by denning it in the precise language of mathematics ; and the one method tends to follow the other in strict scientific order and historical continuity. Thus, fer instance, the form of the earth, of a raindrop or a rainbow, the shape of the hanging chain, or the path of a stone thrown up into the air, may all be described, however inadequately, in common words ; but when we have learned to comprehend and to define the sphere, the catenary, or the parabola, we have made a wonderful and perhaps a manifold advance. The mathematical definition of a "form" has a quality of precision which was quite lacking in our earlier stage of mere description ; it is expressed in few words, or in still briefer symbols, and these words or symbols are so pregnant with meaning that thought itself is economised ; we are brought by means of it in touch with GALILEO'S aphorism, that " the Book of Nature is written in characters of Geometry." Next, we soon reach through mathematical analysis to mathematical synthesis ; we discover homologies or identities which were not obvious before, and which our descriptions obscured rather than revealed : as, for instance, when we learn that, however we hold our chain, or however we fire our bullet, the contour of the one or the path of the other is always mathematically homologous.