Wallago micropogon Ng, 2004

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

Classification	Actinopterygii \| Siluriformes \| Siluridae
Synonyms	... more
Common names	Trey stuak, Pa koon, Pa khoun, ... more

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Main reference

Ng, H.H. 2004. (Ref. 51260)
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Size / Weight / Age

Max length : 154 cm SL male/unsexed; (Ref. 43281); max. published weight: 96.0 kg (Ref. 9497)

Environment

Demersal; freshwater

Climate / Range

Tropical

Asia: Mekong River drainage between Dau Tieng in southern Viet Nam and Luang Prabang in northern Laos; also middle Chao Phraya River drainage in Thailand. Previously misidentified as Wallago leerii from the Mekong River.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal soft rays (total): 5; Anal soft rays: 68 - 73; Vertebrae: 63 - 65. Distinguished by the following characters: 14-16 branchiostegal rays; 14-16 gill rakers on first branchial arch; 68-73 anal fin rays; small gape extending to anterior margin of eye; pelvic fin length 8.9-10.6% SL; small eye, 8.7-10.1% HL; maxillary barbels reaching to middle of pectoral-fin base; rounded pectoral fin in which the fourth branched pectoral ray is the longest; pectoral spine length 14.3-16.7% SL; dark colored body with a few pale spots forming a mottled pattern; and 63-65 vertebrae (Ref. 51260).

Adults feed strictly on fishes. Enters the flooded forest during high water and stays near the edge of the forest during low water (Ref. 9497). Migrates into smaller streams to spawn (Ref. 37770). Oviparous, distinct pairing possibly like other members of the same family (Ref. 205).


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses


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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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

High, minimum population doubling time less than 15 months (Assuming Fec > 10,000)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Very high vulnerability (85 of 100)	Not marketed/unknown

Entered by Torres, Armi G.

Modified by Torres, Armi G.

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