Carcharhinus acronotus (Poey, 1860)

Blacknose shark

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Elasmobranchii \| Carcharhiniformes \| Carcharhinidae
Synonyms	Squalus acronotus, ... more
Common names	Requin nez noir, Tiburón amarillo, Sarda, ... more

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Image of Carcharhinus acronotus (Blacknose shark)

Picture by Carvalho Filho, A.

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This map was computer-generated and has not yet been reviewed.

AquaMaps Data sources: GBIF OBIS

Main reference

Compagno, L.J.V. 1984. (Ref. 244)
Other references | Biblio | Coordinator : Compagno, Leonard J.V. | Collaborators

Size / Weight / Age

Max length : 200 cm TL male/unsexed; (Ref. 244); max. published weight: 18.9 kg (Ref. 40637); max. reported age: 6 years (Ref. 56138)

Environment

Reef-associated; marine, usually 9 - ? m (Ref. 55176)

Climate / Range

Subtropical; 40°N - 37°S, 100°W - 33°W (Ref. 55176)

Western Atlantic: North Carolina, USA to southern Brazil and Uruguay (Ref. 58839), including the Gulf of Mexico and the Caribbean.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Found on continental and insular shelves, mainly over sandy, shell, and coral bottoms. Feeds on small fishes, including pinfish (Sparidae) and porcupine fish. Preyed on by larger sharks. Viviparous (with a yolk-sac placenta), with 3 to 6 young per litter. Performs a 'hunch' display, with back arched, caudal lowered and head raised, as a possible threat display when confronted by divers. Utilized dried salted for human consumption.


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless (Ref. 244)

Human uses
Fisheries: minor commercial; gamefish: yes


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Very Low, minimum population doubling time more than 14 years (K=0.12; tm=2; tmax=4.5; Fec=4)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
High to very high vulnerability (70 of 100)	Medium

Entered by Carpenter, Kent E.

Modified by Kesner-Reyes, Kathleen

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Page last modified by : elaxamana, 15 July 2009

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