Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Gobiidae
(Gobies) > Oxudercinae
Etymology: Pseudapocryptes: Greek, pseudes = false + Greek, apo = outside, far away + Greek, kryptos = hidden (Ref. 45335).
Environment / Climate / Range
Freshwater; brackish; demersal; amphidromous (Ref. 51243). Tropical; 23°C - 28°C (Ref. 12468), preferred ?
Indo-Pacific: India to Tahiti and north to China. Common in the Mekong delta.
Length at first maturity / Size / Weight / Age
Maturity: Lm 15.4  range ? - ? cm
Max length : 20.0 cm TL male/unsexed; (Ref. 12693)
Distinguished by the following characteristics: Anal fin with 28-31 total elements; body depth 9.9-13.6% SL; head length 14.8-22.0% SL; head depth 7.8-11.4% SL; pectoral fin length 10.4-13.4% SL; pelvic fin length 9.0-11.5% SL; few brown spots, if any, on body (Ref. 5218).
Found in mudflats of estuaries and the freshwater tidal zone of rivers (Ref. 12693). Amphibious air-breather (Ref. 31184).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Kottelat, M. and A.J. Whitten, 1996. Freshwater fishes of Western Indonesia and Sulawesi: additions and corrections. Periplus Editions, Hong Kong. 8 p. (Ref. 13275)
IUCN Red List Status (Ref. 109396)
CITES (Ref. 94142)
Threat to humans
Fisheries: minor commercial
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00724 (0.00378 - 0.01388), b=2.96 (2.79 - 3.13), based on LWR estimates for this species & (Sub)family-body (Ref. 93245
Trophic Level (Ref. 69278
): 2.6 ±0.2 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (22 of 100) .