Species: Alopias superciliosus, Bigeye thresher, Bigeye thresher shark
eye very large, high
nape: deep groove
Alopias superciliosus (Lowe, 1841)
Bigeye thresher shark
Body stout, cylindrical; head short, flat between eyes; deep V-shaped horizontal groove on each side of head from behind eye to over gill slits; eyes very large, dorsal; snout long, bulbous, conical; mouth small, ventral; teeth long, awl-like; gill openings - 5, short, last 2 over pectoral base; first dorsal large, its base ending just before pelvic origin; second dorsal and anal very small; pectorals very long, narrow, curved, broad tip; pelvics large; upper lobe of tail extremely long, ~ equal to body length; no keels on tail base.
Back purplish grey; belly cream, that color not extending onto flank over pectoral fin.
Size: 484 cm; reaches 25 years
Habitat: oceanic, pelagic.
Depth: 0-723 m.
Circumtropical; probably throughout our region.
High Resolution Map Download
- Salinity
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- Marine
- Marine Only
- Inshore/Offshore
-
- Offshore
- Offshore Only
- Water Column Position
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- Mid Water
- Near Surface
- Surface
- Water column only
- Habitat
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- Water column
- FishBase Habitat
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- Pelagic
- Feeding Group
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- Carnivore
- Data
- Diet
-
- Data
- Octopus/squid/cuttlefish
- Bony fishes
- Egg Type
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- Live birth
- No pelagic larva
- Data
- Global Endemism
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- Circumtropical ( Indian + Pacific + Atlantic Oceans)
- Greater Caribbean non-endemic
- All species.
- Regional Endemism
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- Extends N + S of GC
- GC non-endemic
- Extends North of GC
- Also in Brazil
- Extends South of GC
- Continent
- Island (s)
- All species..
- Continent + Island (s)
- Residency
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- Resident
- Climate Zone
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- Subtropical (23-35N, Florida / Carolinas / Bermuda)
- Tropical (10-23N, Nicaragua / Cuba)
- Temperate (>35N)
- Equatorial (0-10N, Costa Rica / Venezuela)
- IUCN Red List
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- Listed
- Vulnerable
- CITES
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- Appendix II
- Listed
- Depth Range Max
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- 723
- Depth Range Min
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- 10
- Length Max
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- 484
