Species: Carcharhinus altimus, Bignose shark
Carcharhinus altimus (Springer, 1950)
Heavy body; snout long, broad, and slightly pointed, its length >/= mouth width; eye round; distance from nostrils to mouth < 2.4x mouth width; flaps on front of nostrils large and triangular; upper teeth serrated, triangular (longer than base width) and slightly oblique, the center pair erect, lower teeth with narrow points, finely serrated edges; prominent ridge present on back between dorsal fins; 1st dorsal fin high, (8.3-11.9% of TL, <1/2 length before D), its origin over/near rear insertion of pectoral fin; apex of first dorsal bluntly pointed; second dorsal fin length of its inner margin <1.5X fin height; pectoral fin long, relatively straight; tail base without keel; tail fin strongly asymmetrical, with well developed lower lobe, undulating ridge along dorsal surface of top lobe, and a notch under tip of that lobe.
Grey, becoming whitish below; distal ends of all fins except pelvics dusky, with pigment on tips of pectorals darker on underside of fins.
Reaches 300 cm; size at birth 65-80 cm.
Habitat: offshore, bottom living, juveniles in shallow water.
Depth: 0 -810 m, usually below 90 m.
Circumglobal in temperate and tropical seas; Florida to Brazil.
High Resolution Map Download
- Inshore Only
- Water Column Position
- Near Bottom
- Water column only
- Reef associated (reef + edges-water column & soft bottom)
- Water column
- FishBase Habitat
- Reef Associated
- Feeding Group
- Bony fishes
- Egg Type
- Live birth
- No pelagic larva
- Global Endemism
- Circumtropical ( Indian + Pacific + Atlantic Oceans)
- Greater Caribbean non-endemic
- Regional Endemism
- Island (s)
- Continent + Island (s)
- Extends South of GC
- Also in Brazil
- GC non-endemic
- Climate Zone
- Subtropical (23-35N, Florida / Carolinas / Bermuda)
- Tropical (10-23N, Nicaragua / Cuba)
- Equatorial (0-10N, Costa Rica / Venezuela)
- IUCN Red List
- Data deficient
- Not listed
- Length Max
- Depth Range Min
- Depth Range Max