Hexatrygon bickelli

HEEMSTRA & SMITH, 1980


Sixgill stingray
Classification: Elasmobranchii Myliobatiformes Hexatrygonidae

Reference of the original description
HEEMSTRA, P.C. & SMITH, M.M. (1980)
Hexatrygonidae, a new family of stingrays (Myliobatiformes: Batoidea) from South Africa, with comments on the classification of batoid fishes. Ichthyological Bulletin of the J.L.B. Smith Institute of Ichthyology, 43: 1–17

Image of the original description
Image in copyright.

Synonyms / new combinations and misspellings
Hexatrematobatis longirostrum, Hexatrygon bickelii, Hexatrygon brevirostra, Hexatrygon longirostra, Hexatrygon longirostris, Hexatrygon taiwanensis, Hexatrygon yangi

Types
Hexatrygon bickelli
Holotype: SAIAB: 997;
Hexatrematobatis longirostrum
Holotype: SCSFRI: 72; Paratype: SFC: 306;
Hexatrygon brevirostra
Holotype: NTUM: 6597;
Hexatrygon taiwanensis
Holotype: NTUM: 6505
Hexatrygon yangi
Holotype: NTUM: 6100;


Description :


Citation: Hexatrygon bickelli HEEMSTRA & SMITH, 1980: In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 09/2019

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Common names
eng Sixgill stingray

Short Description
A bizarre-looking flabby stingray with a long, thick, fleshy snout [536]. Dark violet-blue or brownish above, white below [536].

Distribution
Indo-Pacific: South Africa eastward to Japan, Australia and the Hawaiian Islands. Source: www.gbif.org

Human uses
fisheries: of no interest

Biology
Inhabits soft bottoms of upper continental slopes (Ref. 9906, 75154). Feeding habits unknown (Ref. 9906). Strong protractile mouth is likely to be used for removing prey from the substrate (Ref. 39766). Probably caught with bottom trawls (Ref. 9906).

Size / Weight / Age
143 cm TL (male/unsexed; [2165])

Habitat
bathydemersal; marine; depth range 350 - 1120 m (Ref. 9906), usually 362 - 1120 m (Ref. 9906)

Remarks
shark-references Species-ID=2875;