HomeFish encyclopediaSharks and RaysGround sharksHoundsharksSicklefin smooth-hound Sicklefin smooth-hound (Mustelus lunulatus) Scientific name: Mustelus lunulatus Jordan & Gilbert, 1882 The Sicklefin smooth-hound (Mustelus lunulatus) is a marine fish of the family Triakidae. Native range: Eastern Pacific, southern California, USA to Panama. BiologyFound on the continental shelves, close inshore to well offshore. Ovoviviparous. Utilized for human consumption.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMustelus lunulatusFamilyTriakidae (Houndsharks)OrderCarcharhiniformes (Ground sharks)ClassElasmobranchii (Sharks and Rays)Maximum length170EnvironmentMarine; demersalClimateSubtropicalDistributionEastern Pacific: southern California, USA to Panama.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: commercialResilienceLow, minimum population doubling time 4.5 - 14 years (Fec assumed to be SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026