Carcharhinus altimus (Bignose shark)
(Springer, 1950)
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Carcharhinidae
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Carcharhinus altimus (Bignose shark) [Illustration
by Ann Hecht ©] |
Identification
A cylindrical, heavy-bodied greyish shark with
a large, long, broad snout, long nasal flaps, prominent high
interdorsal ridge, high triangular saw-edged upper teeth, large
straight pectoral and dorsal fins, and no conspicuous markings.
Underside white.
Size
To at least 2.8 m TL.
Range
East coast off
Port Alfred, also Natal and Mozambique; virtually circumtropical.
Habitat
Normally outer shelf and uppermost slope at 250 to 400 m,
but sometimes at surface or inshore.
Biology
Little-known. Bears 3
to 15 young. Eats bottom animals, including croakers, lizardfish,
batfish, soles, dogfish, catsharks, and cuttlefish.
Human Impact
Caught by offshore trawlers, rarely by sports anglers.
Text by Leonard J.V. Compagno, David A. Ebert
and Malcolm J. Smale
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