List of Freshwater Aquarium Fish Species - Rainbowfish

Rainbowfish

Common name Taxonomy Picture Size Tank Type Care Level Remarks Temp Range Acceptable pH Recommended water hardness
Salmon-red rainbowfish Glossolepis incisus 13–15 cm (5–6 in) aka Red rainbowfish. These are very hardy fish and get along with almost any fish. They aren't aggressive and love to follow fingers! When these fish get stressed out they tend to turn a more gray color. It will regain its color when it becomes more relaxed
Tami River rainbowfish Glossolepis pseudoincisus 7.5 cm (3.0 in) aka Millennium rainbowfish
Lake Wanam rainbowfish Glossolepis wanamensis 13–15 cm (5–6 in) aka Emerald rainbowfish
Threadfin rainbowfish Iriatherina werneri Species Easy Threadfins have very tiny mouths and cannot compete well with other fish for food. Keep in species only tanks or with small Pseudomugil (i.e.: gertrudae)
New Guinea rainbowfish Melanotaenia affinis 13 cm (5.1 in)
Boeseman's rainbowfish Melanotaenia boesemani 10–13 cm (4–5 in)
Duboulayi's rainbowfish Melanotaenia duboulayi 13–15 cm (5–6 in) aka Crimson-Spotted rainbowfish
Australian rainbowfish Melanotaenia fluviatilis 13–15 cm (5–6 in)
Lake Kurumoi rainbowfish Melanotaenia parva 7.5–8 cm (3-3.25 in) aka Flame rainbowfish
Neon rainbowfish Melanotaenia praecox 6-7.5 cm (2.5–3 in)
Eastern rainbowfish Melanotaenia splendida splendida 13–15 cm (5–6 in)

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