Mustelus also known as the smooth-hounds is a genus of sharks in the family Triakidae. The name of the genus comes from the Latin word mustela, meaning weasel.[2] It should not be confused with the genus name Mustela, which is used for weasels.

Temporal range: 56–0 Ma[1]
Early Eocene to Present
Arabian smooth-hound (Mustelus mosis)
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Order: Carcharhiniformes
Family: Triakidae
Genus: Mustelus
H. F. Linck, 1790

A smooth-hound can grow to 159 cm (5 ft. 3 in.) long and weigh more than 13 kg (29 lb).[3]


Currently, 28 recognized species are placed in this genus:

See also

  • List of prehistoric cartilaginous fish


  1. Sepkoski, J. (2002). "A compendium of fossil marine animal genera (Chondrichthyes entry)". Bulletins of American Paleontology. 363: 1–560. Archived from the original on 2011-09-30.
  2. Froese, Rainer and Pauly, Daniel, eds. (2015). Species of Mustelus in FishBase. April 2015 version.
  3. Kindersley, Dorling (2005). Animal. New York City: DK Publishing. ISBN 0-7894-7764-5.
  4. Cubelio, S.S., Remya R & Kurup, B.M. (2011): A new species of Mustelus (Family: Triakidae) from Indian EEZ. Indian Journal of Geo-Marine Sciences, 40 (1): 28-31.

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