Fish fact file
Family: Osphronemidae (Gouramies)
Synonyms: Labrus opercularis, Polyacanthus opercularis, Macropodus concolor, M. filamentosus
Other common names: Forktail Fighting Fish
Origin: Asia; China, Korea, Taiwan, Vietnam
Natural habitat: Streams, ditches, rice fields, shallow waters
Size: 10cm
Behavior: Peaceful, males will become aggressive to other paradise fish
Breeding: Bubble nester
Natural water conditions: pH 6-8, soft to hard
Sexing: Male has longer fins and is more brightly coloured