Rhizoprionodon terraenovae (Richardson, 1836)

Atlantic sharpnose shark

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

Classification	Elasmobranchii \| Carcharhiniformes \| Carcharhinidae
Synonyms	Squalus terraenovae, Scoliodon terraenovae, ... more
Common names	Requin aiguille gussi, Cazón picudo atlántico, White shark, ... more

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Image of Rhizoprionodon terraenovae (Atlantic sharpnose shark)

Picture by Flescher, D.

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Main reference

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

Size / Weight / Age

Max length : 110 cm NG male/unsexed; (Ref. 37512); 110 cm TL (female); common length : 70.0 cm NG male/unsexed; (Ref. 37512); max. published weight: 7,250 g (Ref. 40637); max. reported age: 10 years (Ref. 6140)

Environment

Demersal; brackish; marine; depth range 10 - 280 m (Ref. 26938), usually ? - 10 m (Ref. 55195)

Climate / Range

Subtropical; 43°N - 25°S, 100°W - 32°W (Ref. 55195)

Western Atlantic: New Brunswick, Canada to the Gulf of Mexico. Southwest Atlantic: coasts of Brazil.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Small, generally gray, streamlined shark, with long pointed snout. Posterior margin of anal fin straight or slightly concave. Second dorsal fin origin well behind anal fin origin (Ref. 26938).

Reaches at least 103 cm TL (Ref. 244). Abundant in the continental shelves, from the intertidal to deeper waters. Often occurs close to the surf zone off sandy beaches, and also enclosed bays, sounds, and harbors, in estuaries and river mouths. Feeds on small bony fishes, shrimps, crabs, segmented worms and mollusks (gastropod feet). Viviparous, with 1 to 7 young in a litter. Size at birth about 29 to 37 cm. Utilized for human consumption.


IUCN Red List Status (Ref. 57073)	Threat to humans
Lower Risk: least concern (LR/lc)	Harmless

Human uses
Fisheries: subsistence fisheries; 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

Tools
Biogeographic modelling \| E-book \| Field guide \| Identification keys \| Length-frequency wizard \| Life-history tool \| Point map

Special reports
Check for Aquarium maintenance \| Check for Species Fact Sheets \| Check for Aquaculture Fact Sheets

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Summary page \| Point data \| Common names \| Photos

Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Very Low, minimum population doubling time more than 14 years (K=0.19-0.45(?); tmax=10; tm=4; Fec 1-7)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Moderate to high vulnerability (46 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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