Dasyatis laosensis Roberts & Karnasuta, 1987

Mekong stingray

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Elasmobranchii \| Rajiformes \| Dasyatidae
Synonyms	Amphotistius laosensis, ... more
Common names	Trey bawbel, Trnucha laoská, Mekongpijlstaartrog, ... more

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Image of Dasyatis laosensis (Mekong stingray)

Picture by Warren, T.

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Main reference

Last, P.R. and L.J.V. Compagno. 1999. (Ref. 9840)
Other references | Biblio | Coordinator : McEachran, John | Collaborators

Size / Weight / Age

Max length : 62.0 cm WD male/unsexed; (Ref. 27732); max. published weight: 6,000 g (Ref. 27732)

Environment

Demersal; potamodromous (Ref. 51243); freshwater

Climate / Range

Tropical

Asia: Chao Phraya and Mekong basins. Possibly in Borneo.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 0; Anal spines: 0. 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 (Ref. 27732). Disc longer than wide; tail longer than body (Ref. 12693). Lacking caudal fin; with long whip-like tail (Ref. 43281).

Obligate freshwater stingray that occurs over sandy substrate in large rivers. Feeds on bottom-dwelling invertebrates (Ref. 12693). Ovoviviparous (Ref. 50449). Marketed fresh (Ref. 32457).


IUCN Red List Status (Ref. 57073)	Threat to humans
Endangered (EN) (A1cde+2cde, B1+2ce)	Harmless

Human uses
Fisheries: minor commercial


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Summary page \| Point data \| Common names \| Photos

Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Very Low, minimum population doubling time more than 14 years (Assuming Fec<10)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Very high vulnerability (76 of 100)	Low

Entered by Garilao, Cristina V.

Modified by Bailly, Nicolas

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