www.fao.org Copyright Michel Lamboeuf · 0
Alopias pelagicus |
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| Overview |
Main identification features
- snout long, narrow; arched between eyes
- pectoral: straight, broad tip
- dark above pectoral
Body stout, cylindrical; head short, rounded between eyes, narrow; snout elongate, conical; forehead profile ~straight; no groove on nape; eyes small; mouth small, ventral; teeth small, asymetric, notched and serrated; gill openings - 5, short, last 2 over pectoral base; first dorsal large, midway between pectorals and pelvics; second dorsal and anal very small; pectorals very long, straight, with broad tips; pelvics large; upper lobe of tail extremely long, ~equal to body length; no keels on tail base.
Back blue to grey, belly white; white of belly not extending over pectoral fin.
Size: 383cm.
Habitat: oceanic, pelagic.
Depth: 0-700 m.
Indo-Pacific; central California to the Gulf of California, and the Revillagigedos and the Galapagos.
Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Northern Subtropical (Cortez Province + Sinaloan Gap); Northern Tropical (Mexican Province to Nicaragua + Revillagigedos); Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo); North Temperate (Californian Province &/or Northern Gulf of California).
Depth Range Max: 700 m.
Depth Range Min: 0 m.
Diet: octopus/squid/cuttlefish; bony fishes.
Eastern Pacific Range: Northern limit=40; Southern limit=-8; Western limit=-123; Eastern limit=-78; Latitudinal range=48; Longitudinal range=45.
Egg Type: Live birth; No pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Pelagic.
Global Endemism: All Pacific (West + Central + East); Indo-Pacific only (Indian + Pacific Oceans); TEP non-endemic; "Transpacific" (East + Central &/or West Pacific); All species.
Habitat: Water column.
Inshore Offshore: Offshore; Offshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 383 cm.
Regional Endemism: Island (s); Continent; Continent + Island (s); Tropical Eastern Pacific (TEP) non-endemic; Eastern Pacific non-endemic; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Mid Water; Near Surface; Surface; Water column only;
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| Names | |
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- Balart , E. F. , Castro-Aguirre , J. L. , Aurioles-Gamboa , D. , García-Rodriguez , F. and Villavicencio-Garayzar, C., 1995., Adiciones a la ictiofauna de Bahía de la Paz, Baja California Sur, México., Hidrobiologica, 5:79-85.
- Bellido-Millán, J.M. and Villavicencio-Garayzar, C.J., 2002., Pesqueria artesanal de tiburon en la region central del Golfo de California. En: Lozano-Vilano, M. L. (Ed.). Libro Jubilar en Honor al Dr. Salvador Contreras Balderas., Universidad Autonoma de Nuevo León:143-152.
- Béarez, P., 1996., Lista de los Peces Marinos del Ecuador Continental., Revista de Biologia Tropical, 44:731-741.
- Castro-Aguirre, J.L. and Balart, E.F., 2002., La ictiofauna de las islas Revillagigedos y sus relaciones zoogeograficas, con comentarios acerca de su origen y evolucion. En: Lozano-Vilano, M. L. (Ed.). Libro Jubilar en Honor al Dr. Salvador Contreras Balderas., Universidad Autonoma de Nuevo León:153-170.
- Compagno, L.J.V., 1999., Checklist of living elasmobranchs. In Hamlett W.C. (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes., The John Hopkins University Press:471-498.
- Compagno, L.J.V., 1984., Sharks of the World. An annotated and illustrated catalogue of sharks species known to date. Part 1. Hexanchiformes to Lamniformes. FAO Species Catalogue., FAO Fish. Synop. No 125, 4(1):1-249.
- Findley, L.T., Hendrickx, M.E., Brusca, R.C., van der Heiden, A.M., Hastings, P.A., Torre, J., 2003., Diversidad de la Macrofauna Marina del Golfo de California, Mexico., CD-ROM versión 1.0. Projecto de la Macrofauna del Golfo . Derechos reservados de los autores y Conservación Internacional.
- Fischer , W. , Krup , F. , Schneider , W. , Sommer , C. , Carpenter , K. E. and Niem, V. H., 1995., Guia FAO para la Identificacion de Especies de para los fines de la Pesca. Pacifico Centro-Oriental. Volumen II. Vertebrados - Parte 1., FAO2:647-1200.
- Jimenez-Prado, P., Béarez, P., 2004., Peces marinos del Ecuador continental / Marine fishes of continental Ecuador., SIMBIOE/NAZCA/IFEA tomo 1 y 2.
- Love, M.S., Mecklenburg, C.W., Mecklenburg, T.A., Thorsteinson, L.K., 2005., es of the West Coast and Alaska: a checklist of North Pacific and Artic Ocena species from Baja California to the Alaska-Yukon border., U.S. Department of the Interior, U.S. Geological Survey, Biological Resources Division, 288pp.
- Madrid Vera , J. , Ruíz Luna , A. and Rosado Bravo, I., 1998., Peces de la plataforma continental de Michoacán y sus relaciones regionales en el Pacífico mexicano., Revista de Biologia Tropical, 42(2):267-276.
- Nakamura,., 1935., On the two species of the thresher shark from Formosan waters., Mem. Fac. Sci. Taihoku Imp. Univ. Formosa, 14:1-6.
- Van der Heiden , A. M. and Findley, L. T., 1988., Lista de los peces marinos del sur de Sinaloa, México., Anales del Centro de Ciencias del Mar y Limnologia de la Universidad Autonoma Nacional de Mexico, 15:209-224.
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