Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Eleotridae
(Sleepers) > Butinae
Etymology: Oxyeleotris: Greek, oxys = sharp + The name of a Nile fish, eleotris (Ref. 45335).
Environment / Climate / Range
Freshwater; brackish; demersal; pH range: 6.5 - 7.5; dH range: 10 - 15; potamodromous (Ref. 51243); depth range 10 - ? m. Tropical; 22°C - 28°C (Ref. 13371); 23°N - 9°S
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 65.0 cm SL male/unsexed; (Ref. 43281); common length : 30.0 cm TL male/unsexed; (Ref. 12693)
Asia: Mekong and Chao Phraya basins, Malay Peninsula, Indochina, Philippines and Indonesia. Record from Fiji needs confirmation.
Found in rivers, swamps, reservoirs and canals. Enters flooded forest (Ref. 9497). Feeds on small fishes, shrimps, aquatic insects, mollusks and crabs (Ref. 6459). Considered a delicacy over much of eastern Asia. Exported fishes command a high price (Ref. 12693). Maybe the largest species of the goby-like fishes.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Distinct pairing (Ref. 205).
Larson, H.K. and E.O. Murdy, 2001. Eleotrididae. Sleepers (gudgeons). p. 3574-3577. In K.E. Carpenter and V. Niem (eds.) FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Vol. 6. Bony fishes part 4 (Labridae to Latimeriidae), estuarine crocodiles. FAO, Rome. (Ref. 42913)
IUCN Red List Status (Ref. 96402)
CITES (Ref. 94142)
Threat to humans
Fisheries: commercial; aquaculture: commercial; aquarium: commercial
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01096 (0.00429 - 0.02803), b=3.05 (2.83 - 3.27), based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.9 ±0.67 se; Based on food items.
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Fec = 10,000).
Vulnerability (Ref. 59153
): High vulnerability (61 of 100) .