Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Gobiidae
(Gobies) > Gobionellinae
Etymology: Schismatogobius: Greek, schisma, -atos = crack, fissure + latin, gobius = gudgeon (Ref. 45335). More on author: Kottelat.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal; depth range 0 - 1 m. Tropical; 22°C - 27°C (Ref. 13614); 8°N - 7°N
Asia: We River (Kelani basin), about 5 km upstream of the Kelani and Yatiyantota junction, Sri Lanka. Also in a tributary of the Gin River in the Kanneliya Forest Reserve. Philippines, Australia and India (Ref. 43640).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.5 cm TL male/unsexed; (Ref. 6028); common length : 3.5 cm TL male/unsexed; (Ref. 6028)
Morphology | Morphometrics
Found in shallow areas of rivers with sandy, coarse sand or gravel substrate in which it buries itself when disturbed. Usually occur in big groups. Insectivore. Has been bred in captivity at an experimental level, but with a larval mortality of 100%.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Eggs are adhered to a flat surface within the nest constructed by the male. Eggs hatch in 4 days.
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. 119314)
CITES (Ref. 115941)
Threat to humans
Fisheries: of no interest; aquarium: commercial
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
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=0.00891 (0.00406 - 0.01955), b=3.06 (2.88 - 3.24), 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
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .