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Steel-Blue killifish

Picture of Steel-Blue killifish Picture of Steel-Blue killifish
Photos © Sean Evans

Common name:Steel-Blue killifish, Blue lyretail, Gardner's Aphyosemion
Scientific name:Fundulopanchax gardneri gardneri
Synonyms:Aphyosemion gardneri (old genus name, not valid)
Origin:Africa: Nigeria and western Cameroon
Size:2.5" (6cm), females smaller
Recommended tank size:45 x 30cm (18 x 12") or larger.
Tank setup:Planted tank with subdued lighting and gentle circulation.
Compatibility:Best kept in a species tank, males can be quarrelsome.
Temperature:22-25oC (71-77oF)
Water chemistry:Soft and slightly acidic (pH 6.0-6.8)
Feeding:An omnivore, but primarily a micropredator: will usually take flake and granular foods, which should be supplemented with small live and frozen foods
Sexing:Males are larger and more colourful with extended finnage.
Breeding:Eggs will be scattered over fine leaved plants, hatching takes about two to three weeks. Fry will be free-swimming almost immediately and will need tiny live foods initially, such as microworms and baby brine shrimp (Artemia nauplii).
Comments:Soft, acidic 'blackwater' conditions are ideal for this species. The use of peat in the filter or the addition of commercial blackwater extracts, bogwood and/or leaves (such as Catappa, oak or beach) to the tank is recommended.




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