Teleostei (teleosts) >
Cypriniformes (Carps) >
Gastromyzontidae (Hillstream loaches)
Etymology: Annamia: Greek, ananeomai = to reappear, to return (Ref. 45335).
Eponymy: John Roxborough Norman (1898–1944) was an English ichthyologist who started his working life as a bank clerk. [...] (Ref. 128868), visit book page.
More on author: Hora.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Tropical
Asia: Mekong basin.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.8 cm SL male/unsexed; (Ref. 27732)
Has a flat belly; mouth horse-shoe-shaped, very small (width 4-5 times in head width) and quite distant from the tip of the snout; a single simple ray in pelvic and pectoral fins (Ref. 27732); 10-pelvic fins with 10-11 branched rays; lower lip smooth; anus closer to anal origin than to pelvic base (Ref. 43281).
Body shape (shape guide): elongated.
Inhabits high gradient streams and rivers. Typically found in shallow fast water over bedrock and cobble substrates (Ref. 12693). Occurs in rapid-running mountain streams of the middle Mekong (Ref. 12975). Feed on small benthic animals, primarily insect larvae. Not fished commercially (Ref. 12693).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Rainboth, W.J., 1996. Fishes of the Cambodian Mekong. FAO species identification field guide for fishery purposes. FAO, Rome, 265 p. (Ref. 12693)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
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