Benthobatis moresbyi

ALCOCK, 1898

Dark blind ray
Classification: Elasmobranchii Torpediniformes Narcinidae

Reference of the original description
ALCOCK, A. (1898)
A note on the deep-sea fishes, with descriptions of some new genera and species, including another probably vivparous Ophidioid. Annals and Magazine of Natural History, (Series 7), 2: 136–156

Image of the original description
No image in first description.

Benthobatis moresbyi
Lectotype: BMNH: 1898.7.13.22 Paralectotype: ZSI: F232/1 ZSI: 234/1

Description :

Citation: Benthobatis moresbyi ALCOCK, 1898: In: Database of modern sharks, rays and chimaeras,, World Wide Web electronic publication, Version 03/2021

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Common names
eng Dark blind ray

Short Description
Dark brown dorsal and ventral surfaces; ventral entirely dark. Snout elongated, usually more than 1/3 in disc length (preocular snout region 40% in disc length in lectotype). Disc oval, longer than wide. Dorsal fins with long, fleshy bases which are much longer than height of the fin (dorsal fin length 50-55% of fin height). Origin of first dorsal well anterior to posterior tip of pelvic fins, close to mid pelvic length; dorsal fins close together, interdorsal space less than length of dorsal bases. Distance between second dorsal and caudal fins much smaller than length of base of second dorsal fin. Caudal fin extremely elongated, reaching almost 1/2 tail length as measured from posterior tips of pelvic fins; caudal fin length 40.4% of distance between cloaca and caudal fin tip (Ref. 48493).

Western Indian Ocean: Arabian and Laccadive seas (off Travancore coast). Source:

Size / Weight / Age
35.1 cm TL (male/unsexed; (Ref. 48493)); 39.24 cm TL (female)

bathydemersal; marine; depth range 787 - 1071 m (Ref. 48493)

shark-references Species-ID=580;