Iriatherina werneri

Common Names: Featherfin Rainbowfish
Threadfin Rainbowfish
Family: Melanotaeniidae
Category: Rainbowfish
Distribution: Australia; Irain Java to northern Australia.
Main Ecosystem: River; River
Temperament: Peaceful; The Threadfin Rainbowfish is a peaceful fish and will do well in a community aquarium.
Diet: Carnivore; Carnivore
Care: This fish will accept dry foods, but live foods are recomended. Should be kept in a well planted aquarium in schools. The water should be slightly acid and soft. This fish is quite hardy.
6 - 8
26°C - 30°C
79°F - 86°F
5 dH - 12 dH
Potential Size: Male: 4cm (1.6")
Female: 4cm (1.6")
Water Region: Middle, Surface; Middle-Surface
Activity: Diurnal; Diurnal
Gender: These rainbows, like all others have two dorsal fins. Adult males' 1st fin is large and fan shaped. Males have thread-like extensions of the 2nd dorsal fin, cadual fin and anal fin. Males will develop longer extensions that have deeper, richer black or red color. Females are noticeably duller, and are lacking the extensions.
Breeding: The Threadfin rainbowfish scatters its eggs on plants such as Java moss. Hatching can take up to 12 days depending on the temperature.
Comments: These fish have extremely small mouths, so any food offered should be broken up or selected for small size to be readily accepted.
Main Colours: Silver, Black, Red
Markings: Striped Vertical
Mouth: Upturned
Tail: Concave
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Contributors: ACIDRAIN, Fallout
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