Eastern Rainbowfish

Melanotaenia splendida

Family : Melanotaeniidae

FishFreshwaterRainbowfish

Colorful and peaceful rainbowfish, ideal for community aquariums. Known for its iridescent sheen.

Eastern Rainbowfish — photo 1 sur 4 — Bcsr4ever · Wikimedia Commons · CC BY-SA 3.01 / 4

Popularity

Community fish

classic in freshwater aquarium

Availability

Common in shops

Shop availability

IUCN Status

Least Concern

Biotope

Australia

Rivières et récifs australiens, faune endémique.

Description

Melanotaenia splendida has an elongated, laterally compressed body with well-developed fins. Males display bright colors ranging from blue to red, while females are duller. This species can reach 12 cm in length. It is very active and swims in schools. Its schooling behavior makes it an excellent community fish. It is also known for its ability to adapt to various water conditions.

Habitat

Region :

Freshwater rivers and lakes, tropical and subtropical zones

Distribution :

Recommended parameters

Temperature24–28 °C

pH6.5–8

GH5–15 °dGH

KH3–10 °dKH

NO₃

≤ 20 mg/L

PO₄

≤ 0.5 mg/L

Care

Difficulty

2/5

Diet

Omnivore

Min. tank

120 L

Min. group

Adult size

12 cm

Lifespan

6 years

Temperament

Peaceful

Propagation

egg-scatterer

Care notes

Maintain temperature between 24-28°C, pH 6.5-8.0, and GH 5-15. A minimum tank of 120 liters is recommended for a group of 6. Feed a varied diet: flakes, pellets, brine shrimp, and bloodworms. Regular water changes (20% weekly) are essential. This species is peaceful and compatible with other non-aggressive fish. Avoid strong currents. A planted setup with open swimming areas is ideal.

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