Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Siluriformes
(Catfish) > Bagridae
(Bagrid catfishes) > Ariinae
Etymology: Tachysurus: Greek, tachys, -eia, y = quick + Greek, oura = tail (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal; non-migratory. Temperate; 16°C - 25°C (Ref. 2059); 55°N - 15°N, 100°E - 143°E
Asia: Nam Ma basin (Laos) and Viet Nam to southeastern Siberia (Ref. 43281). Recorded from Amur river basin (Ref. 13397).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 34.5 cm TL male/unsexed; (Ref. 1441); common length : 8.0 cm SL male/unsexed; (Ref. 35840); max. published weight: 300.00 g (Ref. 56557)
Adults occur mainly in river channels and lakes. They feed on the bottom on insects (particularly on trichopterans and chironomids), mollusks, occasionally on fishes (Ref. 6868). Oviparous (Ref. 205). Eggs are guarded by the males (Ref. 45232). Important food fish (Ref. 89718).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Males have been reported to guard both the eggs and larvae in the nest hole, previously dug by the male in the clay bottom (Ref. 4576).
Kottelat, M., 2001. Fishes of Laos. WHT Publications Ltd., Colombo 5, Sri Lanka. 198 p. (Ref. 43281)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 115941)
Threat to humans
Fisheries: minor commercial; aquaculture: commercial
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00933 (0.00771 - 0.01130), b=2.94 (2.89 - 2.99), in cm Total Length, based on LWR estimates for this species (Ref. 93245
Trophic Level (Ref. 69278
): 3.5 ±0.1 se; Based on diet studies.
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Moderate to high vulnerability (47 of 100) .