Gulf smooth-hound continental shelf between depths of 36 m to 229 m. The maximum recorded size was 140 cm. Gulf smooth-hound 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. The Gulf smooth-hound shark is a type of shark that comes from the Triakidae family. It 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
Slender smooth-hound may also receive secondary nutrition in the form of histotroph ("uterine milk") produced by the mother. When the embryo is long, it emerges from the capsule, which by that time has become translucent and gelatinous. Embryos long have well-developed external gill filaments. The external yolk sac is entirely absorbed when the embryo is long and close to being born. Males and females reach sexual maturity at approximately long. Harmless to humans and of no economic value, the slender smooth-hound is occasionally caught incidentally in bottom trawls and on bottom longlines. Much of its northern range lies in little-fished waters, and