Carcharhinus altimus (Springer, 1950)
Bignose shark
Carcharhinus altimus
photo by Cambraia Duarte, P.M.N. (c)ImagDOP

 Family:  Carcharhinidae (Requiem sharks)
 Max. size:  300 cm TL (male/unsexed); max.weight: 168 kg
 Environment:  reef-associated; depth range 25 - 810 m
 Distribution:  Circumglobal, with patchy records in tropical and warm seas (Ref. 9997). Western Atlantic: Florida, USA to Venezuela. Eastern Atlantic: Senegal to Ghana, including the Mediterranean. Western Indian Ocean: Red Sea, Mozambique (Ref. 6871), South Africa, Madagascar, and India. Western Pacific: China, Taiwan, and Australia (Ref. 9997). Central Pacific: Hawaii. Eastern Pacific: Gulf of California and southern Mexico, Colombia, and Ecuador.
 Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 0-0; Anal spines: 0-0; Anal soft rays: 0-0. A heavily-bodied, cylindrical shark with a large, long and broad snout, long nasal flaps and high, triangular, saw-edged upper teeth; interdorsal ridge high and prominent; pectoral and dorsal fins large and straight (Ref. 5578). Grayish with no conspicuous markings, white below (Ref. 5578); inner corners of pectoral fins blackish (Ref. 9997).
 Biology:  Found near the edge of the continental and insular shelves and uppermost slopes (Ref. 244). Rare in shallow waters (Ref. 9997), bottom associated near shelf breaks and drop-offs; young may occur at 25 m (Ref. 58302). Feeds on bony fishes, other sharks, stingrays, and cuttlefish (Ref. 244). Viviparous (Ref. 50449). Utilized for fishmeal, liver oil, and shagreen (Ref. 9997). Minimum depth reported taken from Ref. 244.
 IUCN Red List Status: Data deficient  (Ref. 96402)
 Threat to humans:  harmless
 Country info:   
 

 Entered by: Carpenter, Kent E. - 15.06.92
 Modified by: OrtaƱez, Auda Kareen - 01.06.07
 Checked by: Garilao, Cristina V. - 06.06.95

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