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Narrowfin smooth-hound

Narrowfin smooth-hound
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Subclass: Elasmobranchii
Order: Carcharhiniformes
Family: Triakidae
Genus: Mustelus
Species:
M. norrisi
Binomial name
Mustelus norrisi
Wikimedia Commons has media related to Mustelus norrisi.

The narrowfin smooth-hound or Florida smooth-hound (Mustelus norrisi) is a houndshark of the family Triakidae. It is found on the continental shelves of the subtropical western Atlantic, from Florida and the northern Gulf of Mexico to Venezuela, and also southern Brazil, between latitudes 32° N and 36° S, from the surface to a depth of 100 m. It can grow up to a length of 1.1 m.[2]

It can be distinguished from sympatric M. canis by the lower lobe on its heterocercal tail fin, which is sharply pointed and posteriorly directed in M. norrisi. Additionally, the distance between the nostrils, located on the ventral surface of the head, is smaller in M. norrisi than in M. canis.[3]

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

References

  1. ^ Carlson, J.; Charvet, P.; Blanco-Parra, MP; Briones Bell-lloch, A.; Cardenosa, D.; Derrick, D.; Espinoza, E.; Morales-Saldaña, J.M.; Naranjo-Elizondo, B.; Pacoureau, N.; Pérez Jiménez, J.C.; Schneider, E.V.C.; Simpson, N.J.; Talwar, B.S.; Pollom, R. (2021). "Mustelus norrisi". IUCN Red List of Threatened Species. 2021: e.T161518A890179. doi:10.2305/IUCN.UK.2021-1.RLTS.T161518A890179.en. Retrieved 15 September 2024.
  2. ^ Froese, Rainer; Pauly, Daniel (eds.). "Mustelus norrisi". FishBase. July 2006 version.
  3. ^ Chapple, Taylor (1 January 2024). "Discover fishes: Mustelus norrisi". Florida Museum. Retrieved 15 September 2024.
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