Family: Poeciliidae
Dwarf Top Minnow — a Poeciliidae from Central America, easy-going community fish with lively breeding. Reaches 2.7–4 cm; loose colonies; heavy planting shelters the fry. 20–26 °C.
Heterandria formosa, a member of the family Poeciliidae, comes from Central America, where it inhabits warm freshwater streams and lakes. Easy-going community fish with lively breeding and unfussy — quality flakes, some greens, occasional treats, it grows to 2.7–4 cm and adapts well to a properly set-up aquarium in the 20–26 °C range. In a community tank it pairs well with Corydoras catfish.
Difficulty: moderate. Easy-going community fish with lively breeding. Loose colonies; heavy planting shelters the fry.
Hold 20–26 °C and keep it stable — 20–26 °C recorded range. Stable temperature matching the species origin.
Adults reach 2.7–4 cm; it is middle of the water column. Plan for at least 25 litres.
Unfussy — quality flakes, some greens, occasional treats. Vary the menu — quality flakes or pellets plus frozen or live foods.
Yes, with care. Easy-going community fish with lively breeding — pair it with Corydoras catfish — Share the bottom peacefully and skip Large predators — The fry buffet ends everything.
Comes from Central America: warm freshwater streams and lakes. Expect still to gentle current and moderate oxygen levels.
Not a noted jumper — a standard cover still keeps dust and spray in.
In the aquarium: livebearer — females deliver 20–100 fry every few weeks. Subtle external differences.