Overview

Comprehensive Description

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).
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Distribution

Asia: endemic to Sri Lanka. Reported from India and Malay Peninsula (Ref. 4833).
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Physical Description

Size

Maximum size: 90 mm TL
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Max. size

9.0 cm TL (male/unsexed; (Ref. 27139))
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Ecology

Habitat

Environment

benthopelagic; non-migratory; freshwater; brackish
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Trophic Strategy

Feeds on small insects, insect larvae and fish fry (Ref. 4833).
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Conservation

Threats

Not Evaluated
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: of no interest; aquarium: commercial
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Wikipedia

Ceylon killifish

The Ceylon killifish, Aplocheilus dayi, is a species of killifish endemic to Sri Lanka. This species grows to a length of 9 cm (3.5 in).[1] Males and females have a black dot at the rear end of the base of the dorsal fin. The females lay 50-150 eggs.[2]

References[edit]

  1. ^ Froese, Rainer and Pauly, Daniel, eds. (2012). "Aplocheilus dayi" in FishBase. August 2012 version.
  2. ^ McInerny, Derek; Geoffry Gerard (1989). All About Tropical Fish Fourth Edition. Great Britain: Harrap Limited. p. 286. ISBN 0-8160-2168-6. 
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