Pseudomugil Rainbowfish are schooling fish, with the males being larger than the females and having a longer first dorsal fin. Rainbowfish are known for their characteristic large eyes, black or silver band that runs through the middle scale rows, deeply forked mouth, and two dorsal fins.
© Andrzej Zabawski
This moderately aggressive fish is best housed in […]

The Australian Rainbow, also known as the Western Splendid Rainbow, is one of more than five subspecies of Melanotaenia splendida. This peaceful Rainbow is a schooling fish that thrives in a planted aquarium, but not too densely planted that there is insufficient free-swimming places available. The aquarium should have a gravel substrate; the colors […]

The Axelrodi Rainbow, or Lake Tebera Rainbow, is a peaceful, schooling fish that shows its best colors in sunlight. The aquarium for a Melanotaenia herbertaxelrodi should have plants in bunches with open water in the middle of the aquarium. A dark colored gravel substrate may intensify the Axlerodi Rainbow’s colors.
An egg layer, the […]

A popular fish because of the color of the males, which are blue/purple with orange and yellow on the posterior of the body, the Boesemani Rainbow, or Boeseman’s Rainbow is a good centerpiece for the aquarium. The Rainbowfish is know for the characteristic large eyes, black or silver band that runs through the middle […]

The Celebes Rainbow is a schooling fish that should be kept with other peaceful fish. The colorful males have an extended second dorsal and anal fin. Natural lighting intensifies their colors. The aquarium for this peaceful Rainbow should have plants but also needs large open spaces for swimming. Water conditions should remain stable, as […]

 The Madagascan Rainbow was identified in 1907 and is a member of the Silverside group. Rainbowfish are known for their characteristic large eyes, black or silver band that runs through the middle scale rows, deeply forked mouth, and two dorsal fins. The male Madagascans are brightly colored with their first dorsal fin coming to a […]

The Praecox Rainbow, otherwise known as the Dwarf Neon Rainbow, is a peaceful schooling fish. Rainbowfish are known for their characteristic large eyes, black or silver band that runs through the middle scale rows, deeply forked mouth, and two dorsal fins.
A planted aquarium with plenty of free swimming places available will provide a good […]

 One of the most popular Rainbowfish, the Red Irian or Red Rainbow has brightly colored males and silvery females. A male fish, without a female present, may become duller in color. Rainbowfish are known for their characteristic large eyes, black or silver band that runs through the middle scale rows, deeply forked mouth, and two […]

 The Threadfin or Featherfin Rainbow is one of a few Rainbows in which the males have long threads extending from their dorsal and anal fins. Rainbows are known for their characteristic large eyes, black or silver band that runs through the middle scale rows, deeply forked mouth, and two dorsal fins.This peaceful Rainbowfish is a […]

 Turquoise or Lake Kutubu Rainbowfish have striking colors, with males having an intense blue color, that make for a great centerpiece in the aquarium. Rainbowfish are known for the characteristic large eyes, black or silver band that runs through the middle scale rows, deeply forked mouth, and two dorsal fins.This peaceful fish is a schooling […]