In Australia records exist from numerous river basins of the Cape York Peninsula, Queensland state, plus the Northern Territory to the west, including the Arafura wetland in Arnhem Land. The fish exhibit some differences in colour pattern and fin morphology depending on locality, but wild examples are virtually unknown in the aquarium hobby with all those seen on sale produced on a commercial basis.
Habitat
Shows a preference for slow-moving streams, freshwater swamps, lagoons, and billabongs containing clear water and abundant macrophytes. It’s most commonly-found in heavily-vegetated, marginal habitats less than 1.5 m in depth and is frequently associated with floating lily pads. A temperature range of 22 – 32°C and pH of 5.2 – 7.5 have been recorded in field measurements.
Females and juveniles have been observed to group together in schools while sexually-active males form temporary territories in open water from which they display to other males and ripe females. Spawning takes place during warmer months of the year.
Maximum Standard Length
30 – 40 mm.
Aquarium Size
An aquarium with base dimensions of 60 ∗ 30 cm should be the smallest considered.
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