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- FishBase
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Overview |
Main identification features
- hammer angular;snout length greater than 40 percent head width
- origin 2nd dorsal fin over middle a
- mouth arch narrow
- a: rear edge ~straight
A hammerhead shark with moderately broad, but short, angular, mallet-shaped side extensions on head; width of hammer 24-29% of total length; anterior margin of head broadly arched with very shallow side and central indentations; length before mouth usually more than 40% of head width; mouth narrowly arched; first dorsal fin moderately large and erect, its rear margin concave; second dorsal fin base about half length of anal fin base; origin of second dorsal fin above middle of anal fin; rear margin of anal fin nearly straight.
Generally grey on back and sides, white below; hammer and pectoral, anal and pelvic fins yellowish.
Size: reaches a maximum size of 92 cm; size at birth about 25 cm. This is the smallest species of hammerhead.
Habitat: a coastal species, demersal over soft bottoms.
Depth: 0-100 m?.
Central Gulf of California to Peru, and Malpelo.
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); South Temperate (Peruvian Province ).
Depth Range Max: 100 m.
Depth Range Min: 0 m.
Diet: mobile benthic crustacea (shrimps/crabs); mobile benthic gastropods/bivalves; octopus/squid/cuttlefish; sea-stars/cucumbers/urchins; bony fishes; Pelagic crustacea.
Eastern Pacific Range: Northern limit=25; Southern limit=-15; Western limit=-111; Eastern limit=-73; Latitudinal range=40; Longitudinal range=38.
Egg Type: Live birth; No pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Mud; Sand & gravel; Soft bottom only; Soft bottom (mud, sand,gravel, beach, estuary & mangrove).
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Near threatened; Listed.
Length Max: 92 cm.
Regional Endemism: Island (s); Continent; Continent + Island (s); TEP endemic; All species.
Residency: Resident.
Salinity: Brackish; Marine.
Water Column Position: Bottom; Bottom only;
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Names | |
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Links to other sites | |
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References |
- 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 shark species known to date. Part 2. Carcharhiniformes. FAO Species Catalogue., FAO Fish. Synop. No 125, 4(2):251-655.
- 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.
- Lopez , M. I. and Bussing, W. A., 1982., Lista provisional de los peces marinos de la Costa Rica., Revista de Biologia Tropical, 30(1):5-26.
- 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.
- Rubio, E.A., 1986., Notas sobre la ictiofauna de la Isla de Gorgona, Colombia., Boletin Ecotropica. Univ. Bog. Jorge Tadeo Lozano, 13:86-112.
- Rubio, E.A., 1988., Estudio taxonomico de la ictiofauna acompañante del camaron en areas costeras del Pacifico de Colombia., Memorias del VI Seminario Nacional de las Ciencias del Mar. Comisión Colombiana de Oceanografía. Bogota, Colombia., :169-183.
- Springer, S., 1940., Three new sharks of the genus Sphyrna from the Pacific Coast of tropical America., Stanford Ichthyol. Bull., 1:161-172.
- 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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Acknowledgements | |
I thank Ashley MacDonald and John Pickering, University of Georgia, for technical support in building this page.
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Following modified from FishBase
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Top | See original
http://www.fishbase.org/Summary/speciesSummary.php?genusname=Sphyrna&speciesname=corona ---> http://52.67.158.155/Summary/speciesSummary.php?genusname=Sphyrna&speciesname=corona
http://52.67.158.155/Summary/speciesSummary.php?genusname=Sphyrna&speciesname=corona ---> https://fishbase.net.br/Summary/speciesSummary.php?genusname=Sphyrna&speciesname=corona
&pull 20q v5.145 20180528: Error 500 Can't locate object method "new" via package "LWP::Protocol::https::Socket" https://fishbase.net.br/Summary/speciesSummary.php?genusname=Sphyrna&speciesname=corona |
Updated: 2024-04-26 06:05:42 gmt
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