Environment: milieu / climate zone / depth range / distribution range
Freshwater; brackish; benthopelagic; amphidromous (Ref. 51243). Tropical
Asia: Sri Lanka to New Guinea (Ref. 12693). Reported from Palau (Ref. 6371)
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 15.0 cm SL male/unsexed; (Ref. 12693)
Found in streams and rivers. Enters estuaries (Ref. 4833). Usually associated with streams having a gravel or sand substrates. Feeds mainly on filamentous algae and Diptera (Ref. 6028) and also small fishes and crustaceans (Ref. 12693). Not seen in market, but probably sold fresh (Ref. 12693).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Pethiyagoda, R., 1991. Freshwater fishes of Sri Lanka. The Wildlife Heritage Trust of Sri Lanka, Colombo. 362 p. (Ref. 6028)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
Fisheries: minor commercial; aquarium: commercial
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00708 (0.00318 - 0.01574), b=3.00 (2.82 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.3 ±0.48 se; based on food items.
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (29 of 100) .
Nutrients (Ref. 124155
): Calcium = 226 [69, 817] mg/100g ; Iron = 0.496 [0.152, 2.915] mg/100g ; Protein = 16.6 [14.2, 18.7] % ; Omega3 = 0.352 [0.133, 0.811] g/100g ; Selenium = 51.2 [17.9, 120.0] μg/100g ; VitaminA = 34.1 [10.0, 103.9] μg/100g ; Zinc = 2.38 [1.51, 3.71] mg/100g (wet weight); based on nutrient studies.