Melanotaenia splendida is a species of freshwater fish commonly known as the Eastern Rainbowfish. Here are some key points about this species:

General Information

• Scientific Name: Melanotaenia splendida
• Common Names: Eastern Rainbowfish, Splendid Rainbowfish
• Family: Melanotaeniidae

Physical Description

• Size: Typically grows to about 10-14 cm (4-5.5 inches) in length.
• Coloration: Exhibits vibrant colors, ranging from silvery to various shades of blue and green, often with a reddish hue on the fins and body.
• Body Shape: Characterized by a laterally compressed, elongated body with a distinct arching dorsal profile.

Habitat

• Distribution: Native to freshwater habitats in eastern Australia, including rivers, streams, and lakes.
• Environment: Prefers clear, slow-moving waters with abundant vegetation.

Behavior and Diet

• Temperament: Generally peaceful and can be kept in community tanks with other non-aggressive species.
• Diet: Omnivorous; in the wild, they feed on insects, small crustaceans, and plant matter. In captivity, they can be fed a varied diet of flakes, pellets, and live or frozen foods.

Breeding

• Reproduction: Egg-layers; they spawn among aquatic plants where the female deposits eggs, which are then fertilized by the male.
• Care: The eggs hatch in about 7-10 days, and the fry can be fed with fine infusoria or commercially available fry food.

Aquarium Care

• Tank Size: A minimum of 40 gallons is recommended for a small group.
• Water Conditions: Prefers a pH range of 6.5-8.0 and a temperature range of 22-28°C (72-82°F).
• Tank Setup: Should include plenty of swimming space, plants, and hiding spots to mimic their natural habitat.