Actinopteri (ray-finned fishes) > Cyprinodontiformes
(Rivulines, killifishes and live bearers) > Aplocheilidae
Etymology: Aplocheilus: Greek, aploe, -es = simplicity + Greek, cheilos = lip (Ref. 45335). More on author: Steindachner.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; brackish; benthopelagic; non-migratory; depth range - m (Ref. ), usually - m (Ref. ). 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
Maturity | Reproduction | Spawning | Eggs | Fecundity | 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. 124695)
Threat to humans
Fisheries: of no interest; aquarium: commercial
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 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.
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .