Scyliorhinus hesperius

SPRINGER, 1966


Whitesaddled catshark
Classification: Elasmobranchii Carcharhiniformes Scyliorhinidae

Reference of the original description
SPRINGER, S. (1966)
A review of Western Atlantic Cat Sharks, Scyliorhinidae, with descriptions of a new genus and five new species. Fishery Bulletin, 65 (3): 581–624

Image of the original description
Image in copyright.

Types
Scyliorhinus hesperius
Holotype: USNM: 187732;


Description :


Citation: Scyliorhinus hesperius SPRINGER, 1966: In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 04/2019

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Scyliorhinus hesperius SPRINGER, 1966, Guatemala’s Caribbean Sea © Dra. Ana Hacohen Domené
Common names
spa Alitán ensillado, fra \(T\) Roussette selle blanche, eng White-saddled cat shark, eng Whitesaddled catshark

Short Description
Diagnosis after Compagno, 1984 [517]: Field Marks: A fairly small, slender, dark-saddled catshark with large, white spots covering saddles but usually with light spaces between saddles, no black spots, small anterior nasal flaps that end in front of mouth, no nasoral grooves, labial furrows on lower jaw only, second dorsal fin much. smaller than first. Diagnostic Features: Head and body relatively deep, slender and narrow; greatest width of head about 2/3 of head length; no nasoral grooves; anterior nasal flaps not expanded and falling just short of mouth. First dorsal origin somewhat behind pelvic insertion; second dorsal origin somewhat anterior to anal insertion; interdorsal space slightly greater or slightly less than anal base. Denticles small and flat, surface of skin relatively smooth. Colour pattern of 7 or 8 dusky saddles densely covered with large light spots at least as large as eye pupil, these sometimes extending to spaces between saddles; no black spots. Size moderate, adults below 50 cm.

Distribution
Western Central Atlantic: Honduras, Panama, and Colombia.
first record: 2016: Guatemala’s Caribbean Sea (n=5 males) [24758]

Human uses
fisheries: of no interest

Biology
Oviparous, paired eggs are laid. Embryos feed solely on yolk [733].

Size / Weight / Age
47 cm TL (female)

Habitat
bathydemersal; marine; depth range 274 - 457 m

Remarks
shark-references Species-ID=6324;