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Carcharhinus signatus (Poey, 1868) Night Shark

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Higher taxa:  Life   Vertebrata   Fish   Carcharhinidae   Carcharhinus   Global map IDnature guides: Fish, Fish_species_NCSM, SFTEP We parsed the following live from the Web into this page. Such content is managed by its original site and not cached on Discover Life. Please send feedback and corrections directly to the source. See original regarding copyrights and terms of use. FishBase

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© Copyright Photographer/SFTEP, 2002 Carcharhinus signatus	www.fao.org Copyright Michel Lamboeuf Carcharhinus signatus

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Overview

Main identification features slender low ridge between dsds - elongate rear tips long, narrow, pointed snout top teeth - oblique tip, serrated at rear Body fusiform and stout; eyes somewhat large, nictitating eyelid present; snout elongate, narrow, pointed; nasal flap short with narrow base mouth small; lower teeth with a single narrow upright point, upper teeth with oblique point, rear edge serrated; very short labial folds; spiracles absent; gill slits short, last two over pectoral fin base; first dorsal low, front edge weakly convex, rear margin concave, with an elongate rear tip, front of base over rear of pectoral fin margin; second dorsal very small, with an elongate rear tip, base over anal fin; pectoral fins long, narrow; low ridge present between dorsal fins; no keel on tail base. Greyish blue above with scattered black spots, greyish white below, eyes green, mouth white. Size: 280 cm Coastal and semi-oceanic Depth: 0 - 600 m Found on both sides of the Atlantic; unconfirmed reports from the coast of Panama in the eastern Pacific. Attributes Cites: Not listed. Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo). Depth Range Max: 600 m. Depth Range Min: 0 m. Diet: octopus/squid/cuttlefish; bony fishes. Eastern Pacific Range: Northern limit=9; Southern limit=3; Western limit=-83; Eastern limit=-78; Latitudinal range=6; Longitudinal range=5. Egg Type: Live birth. Feeding Group: Carnivore. FishBase Habitat: Bentho-Pelagic. Global Endemism: East Pacific + Atlantic (East +/or West); TEP non-endemic; East Pacific + all Atlantic (East+West); All species. Habitat: Water column. Inshore Offshore: Offshore; Inshore; In & Offshore. IUCN Red List: Not evaluated / Listed. Length Max: 280 cm. Regional Endemism: Tropical Eastern Pacific (TEP) non-endemic; Eastern Pacific non-endemic; Continent only; Continent; All species. Residency: Resident. Salinity: Marine; Marine Only. Water Column Position: Surface; Near Surface; Mid Water; Near Bottom; Bottom + water column; Bottom;

Names

Scientific source:       Integrated Taxonomic Information System

Links to other sites

Fishbase Catalog of Fishes Integrated Taxonomic Information System

References

Poey, F., 1868., Synopsis piscium cubensium. Catalogo Razonado de los peces de la isla de Cuba., Repertorio Fisico-Natural de la Isla de Cuba, 2:279-484.

Acknowledgements

Ross Robertson, Smithsonian Tropical Research Institute I thank Ashley MacDonald and John Pickering, University of Georgia, for technical support in building this page.