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Notorynchus cepedianus (Péron, 1807)
Broad-snout; Broadhead Seven-gill Shark; Broadnose Seven Gill Shark; Broadnose Seven-gill Shark; Broadnose Sevengill Shark; Broadsnout; Broadsnout Sevengill Shark; Broadsnouted Seven-gill Shark; Cow Shark; Cowshark; Ground Shark; Seven Gilled Shark; Seven-gilled Shark; Spottie; Tasmanian Tiger Shark; Notorhynchus pectorosus Garman, 1884; Notorynchus pectorosus Garman, 1884; Heptranchias pectorosus Garman, 1884; Notidanus indicus Agassiz, 1838; Notorynchus macdonaldi Whitley, 1931; Notorynchus maculatus Ayres, 1855; Squalus cepedianus Péron, 1807

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Notorynchus cepedianus
© Copyright Ross Robertson, 2006 · 12
Notorynchus cepedianus

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Notorynchus cepedianus
www.fao.org Copyright Michel Lamboeuf · 0
Notorynchus cepedianus
Notorynchus cepedianus
© Copyright Photographer/SFTEP, 2002 · 0
Notorynchus cepedianus

Main identification features Seven large gill slits, none over pectoral base; head and snout wide, rounded; eyes small; upper teeth small, with 1 large oblique point; lower teeth large, wide with saw-like row of small teeth along top; 1 dorsal fin, at rear of body near tail; tail with small lower lobe.

Grey above, white below; many small black spots scattered over body and fins.

Size: 300 cm.

Habitat: demersal and midwater; sandy bottoms.

Depth: 0-570 m.

A subtropical to warm temperate species from the Pacific, both sides of the Atlantic and the south-west Indian Ocean; enters the northern (Baja and the Gulf of California) and southern (Colombia to Peru) fringes of our region.

Abundance: Common.
Cites: Not listed.
Climate Zone: North Temperate (Californian Province &/or Northern Gulf of California); Northern Subtropical (Cortez Province + Sinaloan Gap); Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo); South Temperate (Peruvian Province ); Antitropical (North and South temperate).
Depth Range Max: 570 m.
Depth Range Min: 0 m.
Diet: bony fishes; sharks/rays; sea snakes/mammals/turtles/birds.
Eastern Pacific Range: Northern limit=33; Southern limit=-9; Western limit=-118; Eastern limit=-78; Latitudinal range=42; Longitudinal range=40.
Egg Type: Live birth; No pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: Circumtropical ( Indian + Pacific + Atlantic Oceans); East Pacific + Atlantic (East +/or West); East Pacific + all Atlantic (East+West); TEP non-endemic; West + East Pacific (but not Central); "Transpacific" (East + Central &/or West Pacific); All species.
Habitat: Mud; Reef associated (reef + edges-water column & soft bottom); Sand & gravel; Rocks; Soft bottom (mud, sand,gravel, beach, estuary & mangrove); Reef (rock &/or coral); Reef and soft bottom; Water column.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Data deficient; Listed.
Length Max: 300 cm.
Regional Endemism: Continent only; Continent; Tropical Eastern Pacific (TEP) non-endemic; Eastern Pacific non-endemic; California + Peruvian provinces, primarily; Temperate Eastern Pacific, primarily; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Near Bottom; Bottom + water column;

Scientific source:

Links to other sites

  • Béarez, P., 1996., Lista de los Peces Marinos del Ecuador Continental., Revista de Biologia Tropical, 44:731-741.
  • 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.
  • Eschmeyer , W. N. , Herald , E. S. and Hamman, H., 1983., A field guide to Pacific coast fishes of North America from the Gulf of Alaska to Baja California. Peterson Field Guide Ser. 28., Houghton Mifflin:336pp.
  • 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.
  • Perón, F., 1807., Voyage de Découvertes aux Terres Australes, exécuté par ordre de sa majesté l'Empereur et Roi, sur les Corvettes la Géographe, la Naturaliste et la Goulette le Casuarina, pendant les années 1800, 1801, 1803 et 1804. Paris., Voyage Terres Australes, 1:1-496.


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