Catalog of Fishes
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Hemitrygon laosensis
(Roberts & Karnasuta, 1987)
Mekong stingray
Classification: Elasmobranchii Myliobatiformes Dasyatidae
Reference of the original description
Dasyatis laosensis, a new whiptailed stingray (family Dasyatidae), from the Mekong River of Laos and Thailand. Environmental Biology of Fishes, 20(3), 161–167
Dasyatis laosensis, a new whiptailed stingray (family Dasyatidae), from the Mekong River of Laos and Thailand. Environmental Biology of Fishes, 20(3), 161–167
Image of the original description
Image in copyright.
Image in copyright.
Synonyms / new combinations and misspellings
Amphotistius laosensis, Dasyatis laoensis, Dasyatis laosensis
Amphotistius laosensis, Dasyatis laoensis, Dasyatis laosensis
Types
Hemitrygon laosensis
Dasyatis laosensis
Holotype: BMNH: 1985.9.26.1; Paratype: BMNH: 1985.9.26.2; NIFI: 1672; NIFI: 1671; NIFI: 132; NRM: 36612;
Hemitrygon laosensis
Dasyatis laosensis
Holotype: BMNH: 1985.9.26.1; Paratype: BMNH: 1985.9.26.2; NIFI: 1672; NIFI: 1671; NIFI: 132; NRM: 36612;
Description :
Citation: Hemitrygon laosensis (Roberts & Karnasuta, 1987): In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 12/2024
Please send your images of "Hemitrygon laosensis" to info@shark-references.com
Hemitrygon laosensis (Roberts & Karnasuta, 1987) © FAO, www.fish-base.org
Hemitrygon laosensis (Roberts & Karnasuta, 1987) © FAO, www.fish-base.org
Common names
Mekong freshwater stingray, Mekong stingray
Mekong freshwater stingray, Mekong stingray
Short Description
Distinguished from the other stingray species in the Mekong basin by the presence of a ventral and a dorsal skin folds on the tail and the bright orange color of the ventral surface of the disc. The middle disc is whitish with scattered large orange spots. The dorsal surface of the disc is brown [20214]. Disc longer than wide; tail longer than body [20067]. Lacking caudal fin; with long whip-like tail (Ref. 43281).
Distinguished from the other stingray species in the Mekong basin by the presence of a ventral and a dorsal skin folds on the tail and the bright orange color of the ventral surface of the disc. The middle disc is whitish with scattered large orange spots. The dorsal surface of the disc is brown [20214]. Disc longer than wide; tail longer than body [20067]. Lacking caudal fin; with long whip-like tail (Ref. 43281).
Human uses
fisheries: minor commercial
fisheries: minor commercial
Biology
Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures [733]. Distinct pairing with embrace [17086].
Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures [733]. Distinct pairing with embrace [17086].
Remarks
shark-references Species-ID=14619;
shark-references Species-ID=14619;
