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Aplocheilus dayi

(Day´s Panchax)


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Family : Killifishes ; 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[1]. 10 cm max TL [2].Not a seasonal killifish. Is easy to maintain in the aquarium [3].

Common Names

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Click on the language to view common names.

Common Names in Chinese:


Common Names in Danish:

Ceylon killi, Ceylon-killi

Common Names in English:

ceylon killifish, Ceylon panchax, Day´s Panchax, Day's Killi Fish, Day's killifish, Day's panchax, Powderblue panchax, Striped topminnow

Common Names in Finnish:

Kultasukkulakala, Vihervaanija

Common Names in German:

Gr, Grüner Streifenhechtling, Werners Streifenhechtling

Common Names in Mandarin Chinese:

条纹鰕鮰, 條紋鰕鮰

Common Names in Sinhalese:

Uda handeya

Common Names in Swedish:



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Biome: Marine .


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Aplocheilus dayiAplocheilus dayi dayi (Steindachner • Aplocheilus dayi werneri (Non Meinken • Aplocheilus homalonotusHaplochilus dayiHaplochilus dayi Steindachner • Haplochilus dayi Steindachner, 1892 • Panchax lineatus (Non Valenciennes • Panchax lineatus dayi (Steindachner


Name Status: Accepted Name .

First described: Steindachner, Franz Ueber die typischen Exemplare von Lacerta mosorensis Kolomb. (1886) (=Lacerta koritana Tom ., 1889). Annalen des K . K. historischen Hofmuseums 8: 235-240, 1892.

Last scrutiny: Data last modified by FishBase 28-Sep-1994

Similar Species

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Members of the genus Aplocheilus

ZipcodeZoo has pages for 11 species and subspecies in this genus:

A. panchax (Green Panchax) · A. blockii (Green Panchax) · A. dayi (Day´s Panchax) · A. dayi dayi (Striped Topminnow) · A. javanicus (Javanese Ricefish) · A. lineatus (Sparkling Panchax) · A. macrostigma (Marmorated Ricefish) · A. panchax (Blue Or Rippled Triggerfish) · A. panchax siamensis (Blue Eye) · A. parvus (Dwarf Panchax) · A. werneri (Werner´s Killifish)

More Info

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Further Reading

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Data Sources

Accessed through GBIF Data Portal March 01, 2008:



  1. Talwar, P.K. and A.G. Jhingran (1991). Inland fishes of India and adjacent countries. Volume 2. A.A. Balkema, Rotterdam. [back]
  2. Pethiyagoda, R. (1991). Freshwater fishes of Sri Lanka. The Wildlife Heritage Trust of Sri Lanka, Colombo. 362 p. [back]
  3. 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 Naturel ... [back]
Last Revised: 2015-01-30