Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) > Cypriniformes
(Carps) > Botiidae
(Pointface loaches) > Botiinae
Etymology: Ambastaia: Named for Ambastai (or Ambastus in Latin), a river in Ptolemy’s (ca. 90-168) (identified as the Mekong)..
More on authors: Kottelat & Chu.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal; pH range: 7.0 - 7.5; dH range: 5 - 15. Subtropical; 15°C - 25°C (Ref. 13614)
Asia: Mekong basin.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 8.0 cm SL male/unsexed; (Ref. 30857)
soft rays: 8. Distinguished by a broad black midlateral stripe and another stripe along the back in specimens smaller than about 4 cm SL; larger specimens with vertical bars connecting the two stripes and extending to the lower half of the body; fins hyaline in small specimens and marked in larger ones (Ref. 27732).
Occurs in riffles, in clear, fast-flowing water (Ref. 27732). Found in small creek with sandy bottom and moderate current (Ref. 37841) and hill streams (Ref. 58784). Feeds on insect larvae and benthic organisms (Ref. 58784).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Kottelat, M., 1998. Fishes of the Nam Theun and Xe Bangfai basins, Laos, with diagnoses of twenty-two new species (Teleostei: Cyprinidae, Balitoridae, Cobitidae, Coiidae and Odontobutidae). Ichthyol. Explor. Freshwat. 9(1):1-128. (Ref. 27732)
IUCN Red List Status (Ref. 126983)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82804
= 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00589 (0.00248 - 0.01401), b=3.10 (2.90 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.2 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153
): Low vulnerability (10 of 100).