Caribbean sharpnose shark

The Caribbean sharpnose shark (Rhizoprionodon porosus) is a requiem shark, and part of the family Carcharhinidae.

Caribbean sharpnose shark
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Order: Carcharhiniformes
Family: Carcharhinidae
Genus: Rhizoprionodon
Species:
R. porosus
Binomial name
Rhizoprionodon porosus
(Poey, 1861)

Distribution and habitat

It is found in the tropical waters of the western Atlantic Ocean and the Caribbean, between latitudes 28° N and 40° S, from the surface to a depth of 500 m.

Description

The maximum reported size for the Caribbean sharpnose shark is 110 cm (43 in). The average adult size appears to be about 80–89 cm (31.5–35 in). Both sexes seem to reach maturity at about 65–70 cm (25.5–27.5 in) in length, and just over 2 years old. The life span is estimated to be about 8–10 years old.

Taxonomy

The species was once confused as being the same species as the Atlantic sharpnose shark - however difference in vertebra counts indicate that it is a separate species.

Breeding

Reproduction and litter size is similar to those of the Atlantic sharpnose shark.

  • Jaws
    Jaws
  • Upper teeth
    Upper teeth
  • Lower teeth
    Lower teeth

References
  1. Carlson, J., Charvet, P., Avalos, C., Briones Bell-lloch, A., Cardenosa, D., Espinoza, E., Morales-Saldaña, J.M., Naranjo-Elizondo, B., Pacoureau, N., Pilar Blasco, M., Pérez Jiménez, J.C., Schneider, E.V.C., Simpson, N.J. & Pollom, R. (2021). Rhizoprionodon porosus. The IUCN Red List of Threatened Species doi:10.2305/IUCN.UK.2021-1.RLTS.T61407A3103881.en
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