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Shark Cartilage, Cancer and the Growing Threat of Pseudoscience
[CANCER RESEARCH 64, 8485–8491, December 1, 2004] Review Shark Cartilage, Cancer and the Growing Threat of Pseudoscience Gary K. Ostrander,1 Keith C. Cheng,2 Jeffrey C. Wolf,3 and Marilyn J. Wolfe3 1Department of Biology and Department of Comparative Medicine, Johns Hopkins University, Baltimore, Maryland; 2Jake Gittlen Cancer Research Institute, Penn State College of Medicine, Hershey, Pennsylvania; and 3Registry of Tumors in Lower Animals, Experimental Pathology Laboratories, Inc., Sterling, Virginia Abstract primary justification for using crude shark cartilage extracts to treat cancer is based on the misconception that sharks do not, or infre- The promotion of crude shark cartilage extracts as a cure for cancer quently, develop cancer. Other justifications represent overextensions has contributed to at least two significant negative outcomes: a dramatic of experimental observations: concentrated extracts of cartilage can decline in shark populations and a diversion of patients from effective cancer treatments. An alleged lack of cancer in sharks constitutes a key inhibit tumor vessel formation and tumor invasions (e.g., refs. 2–5). justification for its use. Herein, both malignant and benign neoplasms of No available data or arguments support the medicinal use of crude sharks and their relatives are described, including previously unreported shark extracts to treat cancer (6). cases from the Registry of Tumors in Lower Animals, and two sharks with The claims that sharks do not, or rarely, get cancer was originally two cancers each. Additional justifications for using shark cartilage are argued by I. William Lane in a book entitled “Sharks Don’t Get illogical extensions of the finding of antiangiogenic and anti-invasive Cancer” in 1992 (7), publicized in “60 Minutes” television segments substances in cartilage. -
Barndoor Skate, Dipturus Laevis, Life History and Habitat Characteristics
NOAA Technical Memorandum NMFS-NE-173 Essential Fish Habitat Source Document: Barndoor Skate, Dipturus laevis, Life History and Habitat Characteristics U. S. DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration National Marine Fisheries Service Northeast Region Northeast Fisheries Science Center Woods Hole, Massachusetts March 2003 Recent Issues in This Series: 155. Food of Northwest Atlantic Fishes and Two Common Species of Squid. By Ray E. Bowman, Charles E. Stillwell, William L. Michaels, and Marvin D. Grosslein. January 2000. xiv + 138 p., 1 fig., 7 tables, 2 app. NTIS Access. No. PB2000-106735. 156. Proceedings of the Summer Flounder Aging Workshop, 1-2 February 1999, Woods Hole, Massachusetts. By George R. Bolz, James Patrick Monaghan, Jr., Kathy L. Lang, Randall W. Gregory, and Jay M. Burnett. May 2000. v + 15 p., 5 figs., 5 tables. NTIS Access. No. PB2000-107403. 157. Contaminant Levels in Muscle of Four Species of Recreational Fish from the New York Bight Apex. By Ashok D. Deshpande, Andrew F.J. Draxler, Vincent S. Zdanowicz, Mary E. Schrock, Anthony J. Paulson, Thomas W. Finneran, Beth L. Sharack, Kathy Corbo, Linda Arlen, Elizabeth A. Leimburg, Bruce W. Dockum, Robert A. Pikanowski, Brian May, and Lisa B. Rosman. June 2000. xxii + 99 p., 6 figs., 80 tables, 3 app., glossary. NTIS Access. No. PB2001-107346. 158. A Framework for Monitoring and Assessing Socioeconomics and Governance of Large Marine Ecosystems. By Jon G. Sutinen, editor, with contributors (listed alphabetically) Patricia Clay, Christopher L. Dyer, Steven F. Edwards, John Gates, Tom A. Grigalunas, Timothy Hennessey, Lawrence Juda, Andrew W. Kitts, Philip N. -
Skates and Rays Diversity, Exploration and Conservation – Case-Study of the Thornback Ray, Raja Clavata
UNIVERSIDADE DE LISBOA FACULDADE DE CIÊNCIAS DEPARTAMENTO DE BIOLOGIA ANIMAL SKATES AND RAYS DIVERSITY, EXPLORATION AND CONSERVATION – CASE-STUDY OF THE THORNBACK RAY, RAJA CLAVATA Bárbara Marques Serra Pereira Doutoramento em Ciências do Mar 2010 UNIVERSIDADE DE LISBOA FACULDADE DE CIÊNCIAS DEPARTAMENTO DE BIOLOGIA ANIMAL SKATES AND RAYS DIVERSITY, EXPLORATION AND CONSERVATION – CASE-STUDY OF THE THORNBACK RAY, RAJA CLAVATA Bárbara Marques Serra Pereira Tese orientada por Professor Auxiliar com Agregação Leonel Serrano Gordo e Investigadora Auxiliar Ivone Figueiredo Doutoramento em Ciências do Mar 2010 The research reported in this thesis was carried out at the Instituto de Investigação das Pescas e do Mar (IPIMAR - INRB), Unidade de Recursos Marinhos e Sustentabilidade. This research was funded by Fundação para a Ciência e a Tecnologia (FCT) through a PhD grant (SFRH/BD/23777/2005) and the research project EU Data Collection/DCR (PNAB). Skates and rays diversity, exploration and conservation | Table of Contents Table of Contents List of Figures ............................................................................................................................. i List of Tables ............................................................................................................................. v List of Abbreviations ............................................................................................................. viii Agradecimentos ........................................................................................................................ -
Raj.27.67A-Ce-H
ICES Advice on fishing opportunities, catch, and effort Celtic Seas Ecoregion Published 5 October 2018 raj.27.67a-ce-h https://doi.org/10.17895/ices.pub.4545 Other skates and rays in subareas 6–7 (excluding Division 7.d) (Rockall and West of Scotland, southern Celtic Seas, western English Channel) ICES advice on fishing opportunities ICES cannot provide catch advice for these stocks due to a lack of reliable survey and catch data. Discarding is known to take place, but ICES cannot quantify the corresponding catches. Stock development over time The available survey and abundance data are insufficient to assess these species individually. All stocks are considered to be of minor importance for the commercial fisheries in this ecoregion. The apparent reduction in landings since 2009 is attributed to improved reporting at the species level, which has reduced the amount of skates reported as unidentified. Figure 1 Other skates and rays in subareas 6–7 (excluding Division 7.d). ICES-estimated landings for species covered by this advice which includes species not reported elsewhere (Amblyraja hyperborea, Amblyraja radiata, Rajella fyllae), species outside stock boundaries (Raja brachyura, Raja clavata, Raja microocellata, Raja montagui, Raja undulata), and the generic reported landings (indeterminate Rajiformes) in tonnes. Stock and exploitation status ICES cannot assess the stock and exploitation status relative to maximum sustainable yield (MSY) and precautionary approach (PA) reference points because the reference points are undefined. Table 1 Other skates and rays in subareas 6–7 (excluding Division 7.d). State of the stock and fishery relative to reference points. ICES Advice 2018 1 ICES Advice on fishing opportunities, catch, and effort Published 5 October 2018 raj.27.67a-ce-h Catch scenarios ICES cannot provide catch advice for these stocks due to a lack of reliable survey and catch data. -
IMR/PINRO No 4-2013: Survey Report from the Joint
IMR/PINRO J O 4 S I E N I T 2013 R E R E S P O R T Survey report from the joint Norwegian/Russian ecosystem Survey in the Barents Sea and adjacent waters, August – October 2013 Editor: Tatiana Prokhorova Polar Research Institute of Marine Fisheries and Oceanography Institute of Marine Research - IMR Polar Research Institute of Marine Fisheries and Oceanography - PINRO This report should be cited as: Prokhorova, T. (Ed.). 2013. Survey report from the joint Norwegian/Russian ecosystem survey in the Barents Sea and adjacent waters, August-October 2013. IMR/PINRO Joint Report Series, No. 4/2013. ISSN 1502-8828, 131 pp. The chapters of this report should be cited as: Author’s names. 2013. Chapter’s name. In: Prokhorova, T. (Ed.) Survey report from the joint Norwegian/Russian ecosystem survey in the Barents Sea and adjacent waters, August-October 2013. IMR/PINRO Joint Report Series, No.4/2013. ISSN 1502-8828, 131 pp. Survey report from the joint Norwegian/Russian ecosystem Survey in the Barents Sea and adjacent waters, August – October 2013 Editor: Tatiana Prokhorova Polar Research Institute of Marine Fisheries and Oceanography Authors in alphabetical order: Aasen, A., Alvarez, J., Dalpadado, P., Dolgov, A., Engås, A., Eriksen, E., Fosså, J.H., Gjøsæter, H., Ingvaldsen, R., Johannesen, E., Jørgensen, L.L., Klepikosky, R., Knutsen, T., Krivosheya, P., Lubin, P., Mashnin, A., Mauritzen, M., Nesterova, V., Orlova, E., Pavlenko, A., Prokhorova, T., Prokopchuk, I., Prozorkevich, D., Rønning, J., Trofimov, A., Wenneck, T., Øvredal, J.T. Mixed concentration of the Barents Sea capelin and polar cod (79°57'N 72°58'E, 23 October 2013). -
Stock Assessment and Fishery Evaluation of Skate Species (Rajidae)
16. Gulf of Alaska Skates by Sarah Gaichas1, Nick Sagalkin2, Chris Gburski1, Duane Stevenson1, and Rob Swanson3 1NMFS Alaska Fisheries Science Center, Seattle WA 2ADF&G Commercial Fisheries Division, Kodiak AK 3NMFS Alaska Fisheries Science Center, Kodiak AK Executive Summary Summary of Major Changes Changes in the input data: 1. Total catch weight for GOA skates is updated with 2004 and partial 2005 data. 2. Biomass estimates from the 2005 GOA bottom trawl survey are incorporated. 3. Life history information has been updated with recent research results. 4. Information on the position of skates within the GOA ecosystem and the potential ecosystem effects of skate removals are included. Changes in assessment methodology: There are no changes to the Tier 5 assessment methodology. Changes in assessment results: No directed fishing for skates in the GOA is recommended, due to high incidental catch in groundfish and halibut fisheries. Skate biomass changed between the last NMFS GOA trawl survey in 2003 and the most recent survey in 2005, which changes the Tier 5 assessment results based on survey biomass. The recommendations for 2005 based on the three most recent survey biomass estimates for skates and M=0.10 are: Western Central GOA Eastern GOA GOA (610) (620, 630) (640, 650) Bathyraja skates Gulfwide Big skate ABC 695 2,250 599 ABC 1,617 OFL 927 3,001 798 OFL 2,156 Longnose skate ABC 65 1,969 861 OFL 87 2,625 1,148 Responses to SSC Comments SSC comments specific to the GOA Skates assessment: From the December, 2004 SSC minutes: The SSC is grateful to samplers with ADF&G who collected catch data and biological samples for Kodiak landings. -
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. -
Class Wars: Chondrichthyes and Osteichthyes Dominance in Chesapeake Bay, 2002-2012
Class Wars: Chondrichthyes and Osteichthyes dominance in Chesapeake Bay, 2002-2012. 01 July 2013 Introduction The objective of this analysis was to demonstrate a possible changing relationship between two Classes of fishes, Osteichthyes (the bony fishes) and Chondrichthyes (the cartilaginous fishes) in Chesapeake Bay based on 11 years of monitoring. If any changes between the two Classes appeared to be significant, either statistically or anecdotally, the data were explored further in an attempt to explain the variation. The Class Osteichthyes is characterized by having a skeleton made of bone and is comprised of the majority of fish species worldwide, while the Chondrichthyes skeleton is made of cartilage and is represented by the sharks, skates, and rays (the elasmobranch fishes) and chimaeras1. Many shark species are generally categorized as apex predators, while skates and rays and some smaller sharks can be placed into the mesopredator functional group (Myers et al., 2007). By definition, mesopredators prey upon a significant array of lower trophic groups, but also serve as the prey base for apex predators. Global demand for shark and consequential shark fishing mortality, estimated at 97 million sharks in 2010 (Worm et al., 2013), is hypothesized to have contributed to the decline of these apex predators in recent years (Baum et al., 2003 and Fowler et al., 2005), which in turn is suggested to have had a cascading effect on lower trophic levels—an increase in mesopredators and subsequent decrease in the prey base (Myers et al., 2007). According to 10 years of trawl survey monitoring of Chesapeake Bay, fish species composition of catches has shown a marked change over the years (Buchheister et al., 2013). -
An Annotated Checklist of the Chondrichthyan Fishes Inhabiting the Northern Gulf of Mexico Part 1: Batoidea
Zootaxa 4803 (2): 281–315 ISSN 1175-5326 (print edition) https://www.mapress.com/j/zt/ Article ZOOTAXA Copyright © 2020 Magnolia Press ISSN 1175-5334 (online edition) https://doi.org/10.11646/zootaxa.4803.2.3 http://zoobank.org/urn:lsid:zoobank.org:pub:325DB7EF-94F7-4726-BC18-7B074D3CB886 An annotated checklist of the chondrichthyan fishes inhabiting the northern Gulf of Mexico Part 1: Batoidea CHRISTIAN M. JONES1,*, WILLIAM B. DRIGGERS III1,4, KRISTIN M. HANNAN2, ERIC R. HOFFMAYER1,5, LISA M. JONES1,6 & SANDRA J. RAREDON3 1National Marine Fisheries Service, Southeast Fisheries Science Center, Mississippi Laboratories, 3209 Frederic Street, Pascagoula, Mississippi, U.S.A. 2Riverside Technologies Inc., Southeast Fisheries Science Center, Mississippi Laboratories, 3209 Frederic Street, Pascagoula, Missis- sippi, U.S.A. �[email protected]; https://orcid.org/0000-0002-2687-3331 3Smithsonian Institution, Division of Fishes, Museum Support Center, 4210 Silver Hill Road, Suitland, Maryland, U.S.A. �[email protected]; https://orcid.org/0000-0002-8295-6000 4 �[email protected]; https://orcid.org/0000-0001-8577-968X 5 �[email protected]; https://orcid.org/0000-0001-5297-9546 6 �[email protected]; https://orcid.org/0000-0003-2228-7156 *Corresponding author. �[email protected]; https://orcid.org/0000-0001-5093-1127 Abstract Herein we consolidate the information available concerning the biodiversity of batoid fishes in the northern Gulf of Mexico, including nearly 70 years of survey data collected by the National Marine Fisheries Service, Mississippi Laboratories and their predecessors. We document 41 species proposed to occur in the northern Gulf of Mexico. -
Report on the Status of Mediterranean Chondrichthyan Species
United Nations Environment Programme Mediterranean Action Plan Regional Activity Centre For Specially Protected Areas REPORT ON THE STATUS OF MEDITERRANEAN CHONDRICHTHYAN SPECIES D. CEBRIAN © L. MASTRAGOSTINO © R. DUPUY DE LA GRANDRIVE © Note : The designations employed and the presentation of the material in this document do not imply the expression of any opinion whatsoever on the part of UNEP concerning the legal status of any State, Territory, city or area, or of its authorities, or concerning the delimitation of their frontiers or boundaries. © 2007 United Nations Environment Programme Mediterranean Action Plan Regional Activity Centre for Specially Protected Areas (RAC/SPA) Boulevard du leader Yasser Arafat B.P.337 –1080 Tunis CEDEX E-mail : [email protected] Citation: UNEP-MAP RAC/SPA, 2007. Report on the status of Mediterranean chondrichthyan species. By Melendez, M.J. & D. Macias, IEO. Ed. RAC/SPA, Tunis. 241pp The original version (English) of this document has been prepared for the Regional Activity Centre for Specially Protected Areas (RAC/SPA) by : Mª José Melendez (Degree in Marine Sciences) & A. David Macías (PhD. in Biological Sciences). IEO. (Instituto Español de Oceanografía). Sede Central Spanish Ministry of Education and Science Avda. de Brasil, 31 Madrid Spain [email protected] 2 INDEX 1. INTRODUCTION 3 2. CONSERVATION AND PROTECTION 3 3. HUMAN IMPACTS ON SHARKS 8 3.1 Over-fishing 8 3.2 Shark Finning 8 3.3 By-catch 8 3.4 Pollution 8 3.5 Habitat Loss and Degradation 9 4. CONSERVATION PRIORITIES FOR MEDITERRANEAN SHARKS 9 REFERENCES 10 ANNEX I. LIST OF CHONDRICHTHYAN OF THE MEDITERRANEAN SEA 11 1 1. -
Elasmobranch Biodiversity, Conservation and Management Proceedings of the International Seminar and Workshop, Sabah, Malaysia, July 1997
The IUCN Species Survival Commission Elasmobranch Biodiversity, Conservation and Management Proceedings of the International Seminar and Workshop, Sabah, Malaysia, July 1997 Edited by Sarah L. Fowler, Tim M. Reed and Frances A. Dipper Occasional Paper of the IUCN Species Survival Commission No. 25 IUCN The World Conservation Union Donors to the SSC Conservation Communications Programme and Elasmobranch Biodiversity, Conservation and Management: Proceedings of the International Seminar and Workshop, Sabah, Malaysia, July 1997 The IUCN/Species Survival Commission is committed to communicate important species conservation information to natural resource managers, decision-makers and others whose actions affect the conservation of biodiversity. The SSC's Action Plans, Occasional Papers, newsletter Species and other publications are supported by a wide variety of generous donors including: The Sultanate of Oman established the Peter Scott IUCN/SSC Action Plan Fund in 1990. The Fund supports Action Plan development and implementation. To date, more than 80 grants have been made from the Fund to SSC Specialist Groups. The SSC is grateful to the Sultanate of Oman for its confidence in and support for species conservation worldwide. The Council of Agriculture (COA), Taiwan has awarded major grants to the SSC's Wildlife Trade Programme and Conservation Communications Programme. This support has enabled SSC to continue its valuable technical advisory service to the Parties to CITES as well as to the larger global conservation community. Among other responsibilities, the COA is in charge of matters concerning the designation and management of nature reserves, conservation of wildlife and their habitats, conservation of natural landscapes, coordination of law enforcement efforts as well as promotion of conservation education, research and international cooperation. -
Abstracts Part 1
375 Poster Session I, Event Center – The Snowbird Center, Friday 26 July 2019 Maria Sabando1, Yannis Papastamatiou1, Guillaume Rieucau2, Darcy Bradley3, Jennifer Caselle3 1Florida International University, Miami, FL, USA, 2Louisiana Universities Marine Consortium, Chauvin, LA, USA, 3University of California, Santa Barbara, Santa Barbara, CA, USA Reef Shark Behavioral Interactions are Habitat Specific Dominance hierarchies and competitive behaviors have been studied in several species of animals that includes mammals, birds, amphibians, and fish. Competition and distribution model predictions vary based on dominance hierarchies, but most assume differences in dominance are constant across habitats. More recent evidence suggests dominance and competitive advantages may vary based on habitat. We quantified dominance interactions between two species of sharks Carcharhinus amblyrhynchos and Carcharhinus melanopterus, across two different habitats, fore reef and back reef, at a remote Pacific atoll. We used Baited Remote Underwater Video (BRUV) to observe dominance behaviors and quantified the number of aggressive interactions or bites to the BRUVs from either species, both separately and in the presence of one another. Blacktip reef sharks were the most abundant species in either habitat, and there was significant negative correlation between their relative abundance, bites on BRUVs, and the number of grey reef sharks. Although this trend was found in both habitats, the decline in blacktip abundance with grey reef shark presence was far more pronounced in fore reef habitats. We show that the presence of one shark species may limit the feeding opportunities of another, but the extent of this relationship is habitat specific. Future competition models should consider habitat-specific dominance or competitive interactions.