Aplocheilus dayi Steindachner, 1892
Ceylon killifish
Aplocheilus dayi
photo by Hippocampus-Bildarchiv

Family:  Aplocheilidae (Killifishes)
Max. size:  9 cm TL (male/unsexed)
Environment:  benthopelagic; freshwater; brackish, non-migratory
Distribution:  Asia: endemic to Sri Lanka. Reported from India and Malay Peninsula (Ref. 4833).
Diagnosis:   
Biology:  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).
IUCN Red List Status: Endangered (EN); Date assessed: 01 August 2019 (B1ab(iii)+2ab(iii)) Ref. (130435)
Threat to humans:  harmless


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