Threadfin rainbowfish | 水產百科網

Itgrowsupto5cm(2.0in)inlength,butthisdoesnotincludetheThreadfin'slongtail.Sexingiseasybyexaminingfins:maleshavelarger,gaudierfinnagethan ...

Species of fish

The threadfin rainbowfish or featherfin rainbowfish (Iriatherina werneri) is a rainbowfish, the only species in the genus Iriatherina. It is characterized by long beautiful fins, and is among the most attractive of the rainbowfishes.

It is native to freshwater swamps and demersal or thickly vegetated areas of flowing waters, in tropical northern Australia and New Guinea.[1]

It grows up to 5 cm (2.0 in) in length, but this does not include the Threadfins long tail. Sexing is easy by examining fins: males have larger, gaudier finnage than females. Males also have more intense colours.[2] When reproduction takes place eggs are scattered among the leaves of submerged vegetation, and hatch after7-10 days.[3]

The threadfin rainbowfish was described by Herman Meinkin in 1974 from types co...