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How to look after
Heterandria formosa
Mosquito fish, Dwarf livebearer
Girard, 1859

(Other members of the genus Heterandria)

ADULT SIZE: 5 cm

WATER CONDITIONS: Moderately hard and alkaline

TEMPERATURE RANGE: 18-30 C

FOOD: Feed Heterandria formosa small live-foods and fine grade dried foods

DISTRIBUTION: This species comes from USA

AQUARIUM CARE: A very small fish, somtimes referred to (incorrectly) as the least killifish. It is not a killi of course, being a liveberer. It is found in Southeast USA amongst dense vegetation in smaller bodies of water.

BREEDING: Live young are laid a few at a time, daily, throughout the spawning period.

Have you bred Heterandria formosa? Why not fill in a breeding questionaire?, or examine existing Heterandria formosa breeding reports








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Fishkeeping Facts and Tips

Great first fish! Livebearers are unlike other fish in that they do not lay eggs; the young develop inside the mother and when born are significantly larger than the offspring of similarly sized egglayers. Species such as the guppy, platy and swordtail are incredibly prolific and are some of the best known, and most colouful aquarium species


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