Gulf smooth-hound

Gulf smooth-hound
Conservation status
Least Concern  (IUCN 3.1) [1]
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Chondrichthyes
Subclass:	Elasmobranchii
Division:	Selachii
Order:	Carcharhiniformes
Family:	Triakidae
Genus:	Mustelus
Species:	M. sinusmexicanus
Binomial name
Mustelus sinusmexicanus Heemstra, 1997

The Gulf smooth-hound (Mustelus sinusmexicanus) is a houndshark of the family Triakidae, found on the continental shelves of the tropical western central Atlantic. The reproduction of this houndshark is placental viviparous. ^[2]

Description

This species has a long slender body, a plain grey/brown dorsum, pale/white ventrum and a large and rounded dorsal fin. The fins have a pale to white trailing margin fading towards adulthood. The caudal fin is deeply notched; its teeth are flat and pale. This type of shark can be found in the continental shelf between depths of 36 to 229 m (118 to 751 ft). The maximum recorded size was 140 cm (55 in). ^[1]

• 
  Head
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  Jaws
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  Upper teeth
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  Lower teeth

References

1. Carlson, J.; Pollom, R.; Derrick, D.; Pacoureau, N.; Pérez-Jiménez, J.C. (2021). "Mustelus sinusmexicanus". IUCN Red List of Threatened Species . 2021: e.T60206A3092676. doi: 10.2305/IUCN.UK.2021-1.RLTS.T60206A3092676.en . Retrieved 19 November 2021.
2. Froese, Rainer; Pauly, Daniel (eds.). "Mustelus sinusmexicanus". FishBase . May 2014 version.