PeekFishDiscover what makes each fish differentFishkeeping guides
EN ▾
AI illustration of Melanotaenia australis, complete left-facing side view

Melanotaenia australis

Melanotaenia australis

Males usually have a higher back and longer fins. Locality forms differ markedly in colour.

Males usually have a higher back and longer fins. Locality forms differ markedly in colour; note the origin when buying.

Adult length
About 8 cm (standard length, without the tail fin)
Water temperature
22–28 °C
pH
6.5–8
Natural habitat
Occupies rivers, creeks, swamps, lakes and reservoirs, often gathering in rocky pools or along vegetated margins with submerged wood.
View comparison →
Sources

www.fishbase.se ↗ 2026-10-25

www.rainbowfish.de ↗ 2026-10-22

PeekFish · Ornamental fish

Privacy and analytics