Isogomphodon
oxyrhynchus
(Müller & Henle, 1839)
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Family:
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Carcharhinidae
(Requiem sharks)
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Order:
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Carcharhiniformes
(ground sharks)
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Class:
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Elasmobranchii (sharks and rays)
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In this site name:
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Daggernose shark |
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Max. size:
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160 cm TL (male/unsexed; Ref. 34266); max. reported age: 12 years |
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Environment: |
demersal; brackish; marine; depth range ? – 15 m
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Climate: |
tropical; 12°N - 20°S |
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Importance:
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fisheries: subsistence fisheries |
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Resilience: |
Very low, minimum population doubling time more than 14 years (K=0.11-0.12; tm=5-7; tmax=12; Fec=4) |
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Distribution:
www.ccfishery.net
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Western Atlantic: Trinidad, Guyana, Suriname, French Guiana, and Brazil.
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Morphology:
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Large number of teeth, great length of very narrow snout. Yellow-gray above and white below (Ref. 6032).
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Biology: |
An inshore shark found over rocky bottoms, entering estuaries and river mouths. Feeds on small schooling fishes including herring, anchovies and croakers. Viviparous, generally 4 embryos per brood; size at birth 38 to 41 cm. 244 cm record unconfirmed.
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Red List Status: |
Critically Endangered (CR) (A2ad 3d 4ad)(Ref. 57073)
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Dangerous:
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harmless
, Compagno, L.J.V.. 1984
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Coordinator: |
Compagno, Leonard J.V.
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