The Caribbean sharpnose shark (Rhizoprionodon porosus) is a requiem shark, and part of the family Carcharhinidae.
| Caribbean sharpnose shark | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Order: | Carcharhiniformes |
| Family: | Carcharhinidae |
| Genus: | Rhizoprionodon |
| Species: | R. porosus
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| Binomial name | |
| Rhizoprionodon porosus (Poey, 1861)
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Distribution and habitat
editIt 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
editThe 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
editThe 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
editReproduction and litter size is similar to those of the Atlantic sharpnose shark.
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Jaws
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Upper teeth
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Lower teeth
References
edit- ^ 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
External links
edit
- Froese, Rainer; Pauly, Daniel (eds.). "Rhizoprionodon porosus". FishBase. May 2006 version.
- http://www.flmnh.ufl.edu/fish/Gallery/Descript/CSharpnose/CSharpnose.html