Suriname Atlantic Sea-Bob Shrimp Fishery

Total Page:16

File Type:pdf, Size:1020Kb

Suriname Atlantic Sea-Bob Shrimp Fishery Food Certification International Ltd Findhorn House Dochfour Business Centre Dochgarroch Inverness IV3 8GY United Kingdom T: +44(0)1463 223 039 F: +44(0)1463 246 380 www.foodcertint.com MSC SUSTAINABLE FISHERIES CERTIFICATION Off-Site Surveillance Visit - Report for Suriname Atlantic sea-bob shrimp Fishery 2nd Annual Surveillance December 2013 Prepared For: Heiploeg Group Prepared By: Food Certification International Ltd Food Certification International 2nd Annual Surveillance Suriname Atlantic sea-bob shrimp Fishery Assessment Data Sheet Certified Fishery Suriname Atlantic sea-bob shrimp Fishery Fishery Management Agency Fisheries Department, Ministry of Agriculture, Animal Husbandry and Fisheries Species Seabob (Xiphopenaeus kroyeri) Heller 1862 Fishing Method Demersal twin rig trawl Certificate Code F-FCI-0018 Certification Date 06.10.2011 Certification Expiration Date 05.10.2016 Certification Body FOOD CERTIFICATION INTERNATIONAL Ltd Findhorn House, Dochfour Business Centre Dochgarroch, Inverness, IV3 8GY, Scotland, UK Tel: +44(0)1463 223 039 MSC Fisheries Department Email: [email protected] Web: www.foodcertint.com Surveillance Stage: 2nd Annual Surveillance Surveillance Date: 30.10.2013 i version 2.0(21/06/13) Food Certification International 2nd Annual Surveillance Suriname Atlantic sea-bob shrimp Fishery Contents 1. Introduction ..................................................................................................................................... iv 2. General Information ......................................................................................................................... 1 2.1 Certificate Holder details .............................................................................................................. 1 2.2 General Background about the fishery ........................................................................................ 1 2.2.1 Area Under Evaluation .......................................................................................................... 1 2.2.2 Fishery Ownership & Organisational Structure ..................................................................... 1 2.2.3 History of the Fishery ............................................................................................................ 1 3. Assessment Process ....................................................................................................................... 2 3.1 Scope & History of the Assessment ............................................................................................. 2 nd 3.2 Details of 2 Surveillance Audit Process..................................................................................... 3 3.2.1 Determination of surveillance level ....................................................................................... 3 3.2.2 Surveillance team details ...................................................................................................... 3 3.2.3 Date & Location of surveillance audit .................................................................................... 3 3.2.4 Stakeholder consultation & meetings .................................................................................... 3 3.3 Surveillance Standards ................................................................................................................ 4 3.3.1 MSC Standards, Requirements and Guidance used ............................................................ 4 3.3.2 Scope regarding destructive fishing practices or controversial unilateral exemptions ......... 4 4. Results, Conclusions and Recommendations .............................................................................. 5 4.1 Discussion of Findings ................................................................................................................. 5 4.1.1 Changes in fleet structure or operation ................................................................................. 5 4.1.2 Changes in stock status and exploitation patterns ............................................................... 5 4.1.3 Changes in ecosystem interaction or management .............................................................. 5 4.1.4 Changes in management ...................................................................................................... 5 4.1.5 Catch data ........................................................................................................................... 56 4.2 Reporting on Conditions ............................................................................................................ 67 4.2.1 Condition 1 .......................................................................................................................... 67 4.2.2 Condition 2 .......................................................................................................................... 89 4.2.3 Condition 3 ...................................................................................................................... 1112 4.2.4 Condition 4 ...................................................................................................................... 1314 4.2.5 Condition 5 ...................................................................................................................... 1516 4.2.6 Condition 6 ...................................................................................................................... 1718 4.3 Reporting on Recommendations....................................................................................... 1920 4.3.1 Improved estimation and recording of total fishery removals. ......................................... 1920 4.3.2 Avoid mis-interpreting catch rate analysis ....................................................................... 1920 4.3.3 New Fisheries Law and National Fisheries Management Plan ....................................... 1920 4.3.4 Monitoring, Control and Surveillance at sea .................................................................... 1920 4.3.5 ETP encounter – summaries of data ............................................................................... 1920 4.4 Conclusions ............................................................................................................................ 2021 ii version 2.0(21/06/13) Food Certification International 2nd Annual Surveillance Suriname Atlantic sea-bob shrimp Fishery 4.5 Status of Certification ............................................................................................................. 2021 Appendix 1 – Written Submissions from Stakeholders .............................................................. 2122 Appendix 2 - Surveillance Plan ...................................................................................................... 2223 Appendix 2.1 Rationale for determining surveillance score ......................................................... 2223 Appendix 3 - References ................................................................................................................ 2324 Appendix 4 – Progress report – Ph D Studentship ..................................................................... 2425 iii version 2.0(21/06/13) Food Certification International 2nd Annual Surveillance Suriname Atlantic sea-bob shrimp Fishery 1. Introduction The purpose of the annual Surveillance Report is fourfold: 1. to establish and report on whether or not there have been any material changes to the circumstances and practices affecting the original complying assessment of the fishery; 2. to monitor the progress made to improve those practices that have been scored as below “good practice” (a score of 80 or above) but above “minimum acceptable practice” (a score of 60 or above) – as captured in any “conditions” raised and described in the Public Report and in the corresponding Action Plan drawn up by the client; 3. to monitor any actions taken in response to any (non-binding) “recommendations” made in the Public Report; 4. to re-score any Performance Indicators (PIs) where practice or circumstances have materially changed during the intervening year, focusing on those PIs that form the basis of any “conditions” raised. Please note: The primary focus of this surveillance audit is assess changes made in the previous year. For a complete picture, this report should be read in conjunction with the Public Certification Report for this fishery assessment. iv version 2.0(21/06/13) Food Certification International 2nd Annual Surveillance Suriname Atlantic sea-bob shrimp Fishery 2. General Information 2.1 Certificate Holder details Certificate holder: Heiploeg Group Address: Heiploeg BV, Panserweg 14, NL – 9974 SL Zoutkamp, Netherlands p/a Morubel NV Ankerstraat 2 BE- 8400 Oostende Belgium Contact Name: Chris Meskens Tel: +32 593 228 68 Email: [email protected] Web: www.heiploeggroup.com 2.2 General Background about the fishery 2.2.1 Area Under Evaluation The fishery takes place entirely within Suriname’s territorial waters (FAO Statistical Area 31). From an ecosystem perspective, this is considered to be in the North Brazilian LME. Within Surinamese waters, the fishery is further restricted to a permitted fishing zone between a line nominally equivalent to 10 fathom depth contour to the line nominally equivalent to 18 fathom depth contour. The inshore extent of the permitted fishing grounds is roughly 20km from shore (varying between approximately 15 – 35km
Recommended publications
  • Redalyc.Isopods (Isopoda: Aegidae, Cymothoidae, Gnathiidae)
    Revista de Biología Tropical ISSN: 0034-7744 [email protected] Universidad de Costa Rica Costa Rica Bunkley-Williams, Lucy; Williams, Jr., Ernest H.; Bashirullah, Abul K.M. Isopods (Isopoda: Aegidae, Cymothoidae, Gnathiidae) associated with Venezuelan marine fishes (Elasmobranchii, Actinopterygii) Revista de Biología Tropical, vol. 54, núm. 3, diciembre, 2006, pp. 175-188 Universidad de Costa Rica San Pedro de Montes de Oca, Costa Rica Available in: http://www.redalyc.org/articulo.oa?id=44920193024 How to cite Complete issue Scientific Information System More information about this article Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Journal's homepage in redalyc.org Non-profit academic project, developed under the open access initiative Isopods (Isopoda: Aegidae, Cymothoidae, Gnathiidae) associated with Venezuelan marine fishes (Elasmobranchii, Actinopterygii) Lucy Bunkley-Williams,1 Ernest H. Williams, Jr.2 & Abul K.M. Bashirullah3 1 Caribbean Aquatic Animal Health Project, Department of Biology, University of Puerto Rico, P.O. Box 9012, Mayagüez, PR 00861, USA; [email protected] 2 Department of Marine Sciences, University of Puerto Rico, P.O. Box 908, Lajas, Puerto Rico 00667, USA; ewil- [email protected] 3 Instituto Oceanografico de Venezuela, Universidad de Oriente, Cumaná, Venezuela. Author for Correspondence: LBW, address as above. Telephone: 1 (787) 832-4040 x 3900 or 265-3837 (Administrative Office), x 3936, 3937 (Research Labs), x 3929 (Office); Fax: 1-787-834-3673; [email protected] Received 01-VI-2006. Corrected 02-X-2006. Accepted 13-X-2006. Abstract: The parasitic isopod fauna of fishes in the southern Caribbean is poorly known. In examinations of 12 639 specimens of 187 species of Venezuelan fishes, the authors found 10 species in three families of isopods (Gnathiids, Gnathia spp.
    [Show full text]
  • Cartilaginous Fishes (Class Chondrichthyes) Off Ceará State, Brazil, Western Equatorial Atlantic - an Update
    CARTILAGINOUS FISHES (CLASS CHONDRICHTHYES) OFF CEARÁ STATE, BRAZIL, WESTERN EQUATORIAL ATLANTIC - AN UPDATE Peixes cartilaginosos (Classe Chondrichthyes) do Estado do Ceará, Brasil, Atlântico Equatorial Ocidental - uma atualização Arquivos de Ciências do Mar Bruno Jucá-Queiroz1,* Jones Santander-Neto1, Ricardo Silveira de Medeiros1, Francisco C. P. Nascimento1, Manuel Antonio de Andrade Furtado-Neto1,2, Vicente Vieira Faria2, Getulio Rincon3 RESUMO Aproximadamente 1.100 espécies de Chondrichthyes (tubarões, raias e quimeras) são hoje conhecidas mundialmente. O inventário faunístico mais recente para águas brasileiras compilou a ocorrência de 160 espécies de elasmobrânquios (tubarões e raias). Entretanto, o conhecimento pleno da riqueza de espécies de Chondrichthyes no Brasil ainda está longe de ser alcançada porque faltam pesquisas no campo de inventários faunísticos. Isto se deve à falta de recursos para pesquisa e conservação. Os peixes cartilaginosos não recebem prioridade de financiamento de pesquisa porque geralmente não são alvo direto de pescarias. Até o presente momento, sabe-se que 50 espécies de elasmobrânquios ocorrem em águas ao largo do Estado do Ceará. O objetivo do presente estudo foi de atualizar o registro de ocorrência de peixes cartilaginosos ao largo do Ceará. Os novos registros foram obtidos durante monitoramento a bordo de pescarias industriais, bem como do monitoramento de desembarque de pescarias industriais e artesanais e um cruzeiro de pesquisas. Este esforço foi complementado com examinação de espécimens de uma coleção ictiológica local, registros de literatura e fotográficos. Os oito novos registros são: Cirrhigaleus asper, Breviraja cf. spinosa, Dipturus sp., Dasyatis geijskesi, Himantura cf. schmardae, Manta birostris, Mobula thurstoni e Hydrolagus sp. Além disto, obteve-se também informação sobre a ocorrência Rhinobatos lentiginosus no Estado.
    [Show full text]
  • FISHES (C) Val Kells–November, 2019
    VAL KELLS Marine Science Illustration 4257 Ballards Mill Road - Free Union - VA - 22940 www.valkellsillustration.com [email protected] STOCK ILLUSTRATION LIST FRESHWATER and SALTWATER FISHES (c) Val Kells–November, 2019 Eastern Atlantic and Gulf of Mexico: brackish and saltwater fishes Subject to change. New illustrations added weekly. Atlantic hagfish, Myxine glutinosa Sea lamprey, Petromyzon marinus Deepwater chimaera, Hydrolagus affinis Atlantic spearnose chimaera, Rhinochimaera atlantica Nurse shark, Ginglymostoma cirratum Whale shark, Rhincodon typus Sand tiger, Carcharias taurus Ragged-tooth shark, Odontaspis ferox Crocodile Shark, Pseudocarcharias kamoharai Thresher shark, Alopias vulpinus Bigeye thresher, Alopias superciliosus Basking shark, Cetorhinus maximus White shark, Carcharodon carcharias Shortfin mako, Isurus oxyrinchus Longfin mako, Isurus paucus Porbeagle, Lamna nasus Freckled Shark, Scyliorhinus haeckelii Marbled catshark, Galeus arae Chain dogfish, Scyliorhinus retifer Smooth dogfish, Mustelus canis Smalleye Smoothhound, Mustelus higmani Dwarf Smoothhound, Mustelus minicanis Florida smoothhound, Mustelus norrisi Gulf Smoothhound, Mustelus sinusmexicanus Blacknose shark, Carcharhinus acronotus Bignose shark, Carcharhinus altimus Narrowtooth Shark, Carcharhinus brachyurus Spinner shark, Carcharhinus brevipinna Silky shark, Carcharhinus faiformis Finetooth shark, Carcharhinus isodon Galapagos Shark, Carcharhinus galapagensis Bull shark, Carcharinus leucus Blacktip shark, Carcharhinus limbatus Oceanic whitetip shark,
    [Show full text]
  • Guyana Seabob Fishery
    Vottunarstofan Tún ehf. Sustainable Fisheries Scheme Marine Stewardship Council Fisheries Assessment Guyana Seabob Fishery Public Comment Draft Report Report on the 1st full assessment of the fishery Conformity Assessment Body: Vottunarstofan Tún ehf. Fishery Client Guyana Association of Trawler Owners and Seafood Processors Report Date May 2019 Assessment Team Members / Authors: Tristan Southall, Team Leader Julian Addison Bert Keus Assessment Secretary: Gunnar Á. Gunnarsson Conformity Assessment Body: Client: Vottunarstofan Tún ehf. Guyana Association of Trawler Owners and Þarabakki 3 Seafood Processors (GATOSP) IS-109 Reykjavík Area K Houston, East Bank Demerara Iceland Guyana Tel.: +354 511 1330 Tel: +592 225 2111 E-mail: [email protected] E-mail: [email protected] Public Comment Draft Report – Guyana Seabob Fishery page i Contents Glossary .................................................................................................................................................. vi 1. Executive Summary ......................................................................................................................... 8 1.1 Scope of the Assessment ........................................................................................................ 8 1.2 Assessment Team Members and Secretary ............................................................................ 8 1.3 Outline of the Assessment ...................................................................................................... 8 1.4 Main Strengths and
    [Show full text]
  • Factors Affecting Elasmobranch Escape from Turtle Excluder Devices
    Fisheries Research 224 (2020) 105456 Contents lists available at ScienceDirect Fisheries Research journal homepage: www.elsevier.com/locate/fishres Factors affecting elasmobranch escape from turtle excluder devices (TEDs) in a tropical penaeid-trawl fishery T Matthew J. Campbella,d,*, Mark L. Tonksb, Margaret Millerb, David T. Brewerc, Anthony J. Courtneya, Colin A. Simpfendorferd a Queensland Department of Agriculture and Fisheries, Agri-Science Queensland, Ecosciences Precinct, GPO Box 267, Brisbane, Queensland, 4001, Australia b Commonwealth Scientific and Industrial Research Organisation (CSIRO) Oceans and Atmosphere, QLD Biosciences Precinct, Building 80, Services Road, St Lucia, Queensland, 4067, Australia c David Brewer Consulting, 91 Raeburn Street, Manly West, Queensland, 4179, Australia d Centre for Sustainable Tropical Fisheries and Aquaculture, James Cook University, 1 James Cook Drive, Townsville, Queensland, 4811, Australia ARTICLE INFO ABSTRACT Handled by Bent Herrmann The use of turtle excluder devices (TEDs) has resulted in fewer elasmobranchs (i.e. sharks and rays) caught in fi fi ff Keywords: tropical penaeid-trawl sheries. However, very few studies in the primary literature have quanti ed the e ects Turtle excluder device of various TED design aspects affecting the escape of elasmobranchs. Data collected by observers on board TED commercial trawlers operating in Australia’s northern prawn fishery (NPF) during 2001 were re-examined to Elasmobranch quantify the effect of TEDs on catches of various elasmobranchs. During this sampling, a total of 6204 elas- Discards mobranchs were caught from 1440 net trawls. The 34 species identified, from 15 families and four taxonomic Grid orientation orders, were dominated by small carcharhinids (n = 2160, median total length = 75 cm) and dasyatids Bar space (n = 2030, median disc width = 24 cm).
    [Show full text]
  • Fishery Name Fishery Are Shown As Appendix 1.1 to This Report
    Acoura Marine Public Comment Draft Report Suriname Atlantic Seabob Shrimp MSC SUSTAINABLE FISHERIES CERTIFICATION Suriname Atlantic Seabob Shrimp Public Comment Draft Report October 2016 Prepared For: Heiploeg, Member of the PP Group Prepared By: Acoura Marine Ltd Acoura Marine Full Assessment Template per MSC V2.0 02/12/2015 Acoura Marine Public Comment Draft Report Suriname Atlantic Seabob Shrimp Public Comment Draft Report October 2016 Authors: Tristan Southall, Rob Blyth-Skyrme and John Tremblay Certification Body: Client: Acoura Marine Heiploeg, Member of the PP Group Address: Address: 6 Redheughs Rigg Heiploeg Edinburgh Member of the PP Group, Heiploeg International BV EH12 9DQ P.O. Box 2 Scotland, UK NL – 9974 ZG Zoutkamp Netherlands Name: Fisheries Department Name: Mark Nijhof Tel: +44(0) 131 335 6601 Tel: +31 (0)595 40 55 55 Email: [email protected] Email: [email protected] Web: www.Acoura.com Page 2 of 168 version 3.0(24/03/15) Acoura Marine Public Comment Draft Report Suriname Atlantic Seabob Shrimp Contents Glossary ................................................................................................................................................. 5 1. Executive Summary ...................................................................................................................... 7 2. Authorship and Peer Reviewers .................................................................................................. 9 2.1 Assessment Team .................................................................................................................
    [Show full text]
  • ASFIS ISSCAAP Fish List February 2007 Sorted on Scientific Name
    ASFIS ISSCAAP Fish List Sorted on Scientific Name February 2007 Scientific name English Name French name Spanish Name Code Abalistes stellaris (Bloch & Schneider 1801) Starry triggerfish AJS Abbottina rivularis (Basilewsky 1855) Chinese false gudgeon ABB Ablabys binotatus (Peters 1855) Redskinfish ABW Ablennes hians (Valenciennes 1846) Flat needlefish Orphie plate Agujón sable BAF Aborichthys elongatus Hora 1921 ABE Abralia andamanika Goodrich 1898 BLK Abralia veranyi (Rüppell 1844) Verany's enope squid Encornet de Verany Enoploluria de Verany BLJ Abraliopsis pfefferi (Verany 1837) Pfeffer's enope squid Encornet de Pfeffer Enoploluria de Pfeffer BJF Abramis brama (Linnaeus 1758) Freshwater bream Brème d'eau douce Brema común FBM Abramis spp Freshwater breams nei Brèmes d'eau douce nca Bremas nep FBR Abramites eques (Steindachner 1878) ABQ Abudefduf luridus (Cuvier 1830) Canary damsel AUU Abudefduf saxatilis (Linnaeus 1758) Sergeant-major ABU Abyssobrotula galatheae Nielsen 1977 OAG Abyssocottus elochini Taliev 1955 AEZ Abythites lepidogenys (Smith & Radcliffe 1913) AHD Acanella spp Branched bamboo coral KQL Acanthacaris caeca (A. Milne Edwards 1881) Atlantic deep-sea lobster Langoustine arganelle Cigala de fondo NTK Acanthacaris tenuimana Bate 1888 Prickly deep-sea lobster Langoustine spinuleuse Cigala raspa NHI Acanthalburnus microlepis (De Filippi 1861) Blackbrow bleak AHL Acanthaphritis barbata (Okamura & Kishida 1963) NHT Acantharchus pomotis (Baird 1855) Mud sunfish AKP Acanthaxius caespitosa (Squires 1979) Deepwater mud lobster Langouste
    [Show full text]
  • (TED) in Reducing the Bycatch of Elasmobranchs in the Atlantic Seabob (Xiphopenaeus Kroyeri) Industrial Trawl Fishery of Guyana
    CERMES Technical Report No. 87 The effectiveness of a modified turtle excluder device (TED) in reducing the bycatch of elasmobranchs in the Atlantic seabob (Xiphopenaeus kroyeri) industrial trawl fishery of Guyana A. GARSTIN, H.A. OXENFORD AND D. MAISON Centre for Resource Management and Environmental Studies (CERMES) Faculty of Science and Technology, The University of the West Indies Cave Hill Campus, Barbados 2017 ABSTRACT The Atlantic seabob (Xiphopenaeus kroyeri) trawl fishery is extremely important to Guyana, with some 88 licensed industrial trawling vessels harvesting around 15,000 mt per year, almost all of which is exported to the US and EU, representing Guyana’s most valuable seafood export. The key player in this industry, the Guyana Association of Private Trawler Owners and Seafood Processors (GAPTO&SP) is taking pro-active steps in pursuing Marine Stewardship Council certification for the seabob trawl fishery to ensure top market prices and long-term sustainability of the seabob stock. To this end, all commercial vessels in the fleet are using turtle excluder devices (TEDs) and bycatch reduction devices (BRDs) in their trawl nets. However, the effectiveness of these devices in reducing the bycatch of vulnerable sharks and rays has not yet been examined. This study, requested by GAPTO&SP, represents the first attempt to document the bycatch of these discarded species by the seabob trawl fleet, and to compare the effectiveness of two different TED designs. Over the period July-August 2014, five trips were taken on three different seabob vessels to document the species, sizes and condition of all sharks and rays landed and discarded during the normal 24 hour-day operation of the vessels.
    [Show full text]
  • Isopods (Isopoda: Aegidae, Cymothoidae, Gnathiidae) Associated with Venezuelan Marine Fishes (Elasmobranchii, Actinopterygii)
    Isopods (Isopoda: Aegidae, Cymothoidae, Gnathiidae) associated with Venezuelan marine fishes (Elasmobranchii, Actinopterygii) Lucy Bunkley-Williams,1 Ernest H. Williams, Jr.2 & Abul K.M. Bashirullah3 1 Caribbean Aquatic Animal Health Project, Department of Biology, University of Puerto Rico, P.O. Box 9012, Mayagüez, PR 00861, USA; [email protected] 2 Department of Marine Sciences, University of Puerto Rico, P.O. Box 908, Lajas, Puerto Rico 00667, USA; ewil- [email protected] 3 Instituto Oceanografico de Venezuela, Universidad de Oriente, Cumaná, Venezuela. Author for Correspondence: LBW, address as above. Telephone: 1 (787) 832-4040 x 3900 or 265-3837 (Administrative Office), x 3936, 3937 (Research Labs), x 3929 (Office); Fax: 1-787-834-3673; [email protected] Received 01-VI-2006. Corrected 02-X-2006. Accepted 13-X-2006. Abstract: The parasitic isopod fauna of fishes in the southern Caribbean is poorly known. In examinations of 12 639 specimens of 187 species of Venezuelan fishes, the authors found 10 species in three families of isopods (Gnathiids, Gnathia spp. from Diplectrum radiale*, Heteropriacanthus cruentatus*, Orthopristis ruber* and Trachinotus carolinus*; two aegids, Rocinela signata from Dasyatis guttata*, H. cruentatus*, Haemulon auro- lineatum*, H. steindachneri* and O. ruber; and Rocinela sp. from Epinephelus flavolimbatus*; five cymothoids: Anilocra haemuli from Haemulon boschmae*, H. flavolineatum* and H. steindachneri*; Anilocra cf haemuli from Heteropriacanthus cruentatus*; Haemulon bonariense*, O. ruber*, Cymothoa excisa in H. cruentatus*; Cymothoa oestrum in Chloroscombrus chrysurus, H. cruentatus* and Priacanthus arenatus; Cymothoa sp. in O. ruber; Livoneca sp. from H. cruentatus*; and Nerocila fluviatilis from H. cruentatus* and P. arenatus*). The Rocinela sp. and A.
    [Show full text]
  • Batoid Fishes
    click for previous page BATOID FISHES by J.D. McEachran, TexasA&MUniversity, USA and M.R. de Carvalho, American Museum of Natural History, New York, USA 508 Batoid Fishes TECHNICAL TERMS AND MEASUREMENTS (straight-line distances) pectoral fin alar spines (or thorns) of males pelvic fin, anterior lobe spiracle pelvic fin, posterior lobe thorns of st 2nd dorsal orbit clasper of males 1 dorsal median row fin fin caudal fin lateral tail axil of inner margin fold pectoral of pelvic fin fin upper side of a typical skate (family Rajidae) length of snout, preorbital tail spine (sting) dorsal cutaneous fold lengthofdisc ventral cutaneous fold length of snout, preoral base of tail in stingrays (family Dasyatidae) anus mouth width of disc nasal apertures length of tail gill slits lower side of typical skate total 41 rows snout angle in front of level of spiracles anterior part of disc of a skate teeth of a stingray (arrows indicate method of counting pavement pattern in batoids) General Remarks 509 GENERAL REMARKS atoid fishes are moderately to greatly flattened and are distinguished from the other elamsobranchs B(sharks) by their ventral gill slits, their lack of an anal fin, and by having the pectoral fins connected to the sides of the head and trunk to form a disc. The eyes and well-developed spiracles are usually located on the dorsal surface of the head, these are secondarily located on the sides of the head in the more pelagic rays, and eyes are vestigial in a few electric rays.Sawfishes and guitarfishes are shark-like, in being only moderately flat- tened and laterally expanded, with pectoral fins uniting anteriorly to the sides of the head.
    [Show full text]
  • By-Catch in a Tropical Shrimp Fishery: How Effective Are Teds and Brds in Excluding Elasmobranchs?
    By-catch in a tropical shrimp fishery: how effective are TEDs and BRDs in excluding elasmobranchs? Willems Tomas1,2 and Kris Hostens1 1 Bio-Environmental Research, Animal Sciences, Aquatic Environment and Quality, Institute for Agricultural and Fisheries Research (ILVO), Ankerstraat 1, 8400 Oostende, Belgium E-mail: [email protected] 2 Marine Biology Section, Department of Biology, Ghent University, Krijgslaan 281 S8, 9000 Gent, Belgium Bottom-trawl fisheries for tropical shrimp are known to produce large quantities of unwanted by- catch. Juvenile and undersized fish are killed before they can recruit to other fisheries, a waste of resources and an economic loss. Additionally, the by-catch and incidental mortality of long-lived species with low reproductive rates is an important conservation issue. There is an increasing concern on the by-catch of elasmobranchs (rays and sharks) worldwide. Several ray and shark populations are not able to withstand the strong fishing regimes set for the target species. Moreover, ray and shark by-catch often remains unreported and hence unmanaged. In its efforts to comply with the standards for sustainable fisheries set by the Marine Stewardship Council (MSC), the fishery for Atlantic seabob shrimp Xiphopenaeus kroyeri in Suriname successfully applied technical gear modifications to its nets for turtles and teleost fish. Turtle Excluder Devices (TEDs) are highly efficient in excluding marine turtles, while By-catch Reduction Devices (BRDs) have shown to reduce the by-catch of teleost fish with 34 percent. In the present study, we investigate whether these selectivity devices are also successful in excluding elasmobranchs from the nets. During 4 successive sampling campaigns, we gathered information on the occurrence of rays and sharks in the seabob shrimp trawling zone in Suriname, and calculated the impact of the seabob fishery on these populations.
    [Show full text]
  • Apresentação Do Powerpoint
    PROCEEDINGS OF INTERNATIONAL MEETING ON AMAZONIAN SHARKS AND BATOIDS ANAIS DO CONGRESSO INTERNACIONAL SOBRE TUBARÕES E RAIAS DO LITORAL AMAZÔNICO ORGANIZERS Ana Rita Onodera Palmeira Nunes Jorge Luiz Silva Nunes Natascha Wosnick Rafaela Maria Serra de Brito Ana Paula Chaves Silva Keyton Kylson Fonseca Coelho PROCEEDINGS OF INTERNATIONAL MEETING ON AMAZONIAN SHARKS AND BATOIDS ANAIS DO CONGRESSO INTERNACIONAL SOBRE TUBARÕES E RAIAS DO LITORAL AMAZÔNICO São Luís 2019 Dados Internacionais de Catalogação na Publicação/ Cataloging in Publication (CIP) Proceedings of International Meeting on Amazonian Sharks and Batoids = [Congresso Internacional sobre Tubarões e Raias do Litoral Amazônico] (1.:2019: São Luís, MA). Anals of I Proceedings of International Meeting on Amazonian Sharks and Batoids = [Congresso Internacional sobre Tubarões e Raias do Litoral Amazônico] / organizers: Ana Rita Onodera Palmeira Nunes... [et al.]. — São Luís: EDUFMA, 2019. 130 p.: il. ISBN 978-85-7862-950-2 1. Sharks – Amazonian. 2. Batoids – Amazonian. I. Nunes, Ana Rita Onodera Palmeira. II. Nunes, Jorge Luiz Silva. III. Wosnick, Natascha. IV. Brito, Rafaela Maria Serra de. V. Silva, Ana Paula Chaves. VI. Coelho, Keyton Kylson Fonseca. CDD 597.381 13 CDU 597.31(811.3) Prepared by the librarian Marcia Cristina da Cruz Pereira - CRB13 / 418 Copyright © 2019 by EDUFMA UNIVERSIDADE FEDERAL DO MARANHÃO Prof. Dr. Natalino Salgado Filho Rector Prof. Dr. Marcos Fábio Belo Matos Vice-Rector EDITORA DA UNIVERSIDADE FEDERAL DO MARANHÃO Prof. Dr. Sanatiel de Jesus Pereira Director EDITORIAL BOARD Prof. Dr. Esnel José Fagundes Prof. Dr. Inez Maria Leite da Silva Prof. Dr. Luciano da Silva Façanha Prof. Dr Andréa Dias Neves Lago Prof.
    [Show full text]