Elasmobranchii (sharks and rays) > Carcharhiniformes
(Ground sharks) > Triakidae
(Houndsharks) > Triakinae
Etymology: Mustelus: Latin, mustela, -ae = weasel (Ref. 45335). More on author: Gill.
Environment / Climate / Range
Marine; demersal. Tropical; 20°N - 5°S
Length at first maturity / Size / Weight / Age
Maturity: Lm ?, range 43 - ? cm
Max length : 64.0 cm TL male/unsexed; (Ref. 9253)
Eastern Pacific: southern Mexico to Peru.
An inshore bottom-dwelling shark found on the continental shelves. Feeds primarily on shrimps and probably other crustaceans. Viviparous (with a yolk-sac placenta), with 4 young in a litter. Size at birth, 21 to 23 cm.
Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO.
IUCN Red List Status (Ref. 90363)
Threat to humans
Fisheries: minor commercial
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
CollaboratorsPicturesStamps, CoinsSoundsCiguateraSpeedSwim. typeGill areaOtolithsBrainsVision
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00251 (-0.18994 - 0.19496), b=3.17 (3.07 - 3.27), based on LWR estimates for this genus-BS (Ref. 93245
Trophic Level (Ref. 69278
): 3.6 ±0.55 se; Based on food items.
Resilience (Ref. 69278
): Very Low, minimum population doubling time more than 14 years (Fec=4).
Vulnerability (Ref. 59153
): Moderate vulnerability (36 of 100) .