Kelvin K P Lim and Peter K L Ng
This Asian family includes some of the best known anabantoids. Fighting fishes (Betta), Gouramies (Trichogaster, Colisa, Sphaerichthys) and Paradise fishes (Macropodus, Belontia) belong here. Most are famous aquarium fishes.
Primarily freshwater fish; oviparous; carnivorous; solitary or loosely gregarious, but the males are often highly territorial; pelagic. This genus comprises what one popularly calls fighting fishes, although not all species "fight".
10 cm. Indigenous, uncommon, Forest streams. This species is characteristic of small, fast flowing streams, and thus to build a bubble-nest would be rather inappropriate. Instead, it spawns in a depression on the substrate, and the male broods the eggs in his mouth until the fry hatch. It is rather similar to the Siamese Fighting Fish in appearance, but is visibly more stocky in build and has a proportionately larger head. In temperament, it is not as quarrelsome as the latter species. The colour pattern is very variable.
This small fish is probably one of our most successful anabantoids. Although generally a peaceful fish, the males may be quite aggressive to one another. Both sexes are known to produce a sort of soft purring-croaking noise with the aid of the labyrinth organ. The fragile bubble-nest is usually built amongst thick clumps of floating vegetation, and a pair may produce over 200 eggs per spawning.
Primarily freshwater fish; oviparous (bubble-nest breeder); omnivorous; solitary or in pairs; pelagic. Members of this genus are laterally compressed with filamentous and highly movable first rays of the pelvic fins.
26 cm. Feral, uncommon. Rural streams and ponds.
15 cm. Indigenous, common. Rural and sometimes forest streams, ponds and reservoirs.
Fishes in Singapore
Amazing Fishy Facts
About the guidebook
From A Guide to Common Freshwater Fishes of Singapore by Kelvin K P Lim and Peter K L Ng
Published by the Singapore Science Centre and sponsored by BP
@Raffles Museum of Biodiversity Research and Singapore Science Centre