White-fin smooth-hound (Mustelus widodoi)

Scientific name: Mustelus widodoi White & Last, 2006

White-fin smooth-hound (Mustelus widodoi)

The White-fin smooth-hound (Mustelus widodoi) is a marine fish of the family Triakidae. Native range: Western Pacific, Bali, Indonesia.

Biology

This moderately sized species is characterized by the following: low preanal length to anal-caudal space, 7.1-8.7, and to dorsal-caudal space, 5.3-6 ratios; moderately large dorsal fins, upright, base length of first dorsal 1.3-1.5 times anal-caudal space; claspers of adult males terminating well short of anal-fin origin; about 73/69 rows of teeth, exposed evenly around symphysis of lower jaw when mouth is closed; 86-89 precaudal vertebrae centra, 33-35 monospondylous centra; first dorsal fin with a broad white margin; apex of second dorsal fin with a distinct black margin; terminal caudal lobe with distinct black tip.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Mustelus widodoi
Family
Triakidae (Houndsharks)
Order
Carcharhiniformes (Ground sharks)
Class
Elasmobranchii (Sharks and Rays)
Maximum length
108.5
Depth range
60–120 m (197–394 ft)
Environment
Marine; benthopelagic; depth range 60 - 120 m
Climate
Tropical
Distribution
Western Pacific: Bali, Indonesia.
Conservation status (IUCN)
Data deficient (DD)
Threat to humans
Harmless
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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