Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; brackish; benthopelagic; non-migratory. Tropical; 20°C - 25°C (Ref. 1672)
Asia: endemic to Sri Lanka. Reported from India and Malay Peninsula (Ref. 4833).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 9.0 cm TL male/unsexed; (Ref. 27139); common length : 7.0 cm male/unsexed; (Ref. 4833)
Usually inhabits shallow, heavily shaded forest streams with a silt substrate. Also occurs in brackish mangrove swamps, often together with Aplocheilus parvus. Feeds on small insects, insect larvae and fish fry. Cultivated as a larvicidal fish (Ref. 4833). 10 cm max TL (Ref. 6028).Not a seasonal killifish. Is easy to maintain in the aquarium (Ref. 27139).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
Huber, J.H., 1996. Killi-Data 1996. Updated checklist of taxonomic names, collecting localities and bibliographic references of oviparous Cyprinodont fishes (Atherinomorpha, Pisces). Société Française d'Ichtyologie, Muséum National d'Histoire Naturelle, Paris, France, 399 p. (Ref. 27139)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Fisheries: of no interest; aquarium: commercial
Tools
Special reports
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5079 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.5 ±0.43 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).