Melanotaenia Mairasi Rainbowfish fish the Agassizi/Bitaeniata complexes seem the

the Agassizi/Bitaeniata complexes seem the most aggressive with conspecifics

This small

Pygmy Rainbowfish can thrive in an array of water hardness and pH

orange head stripes while sparring constantly with conspecifics and other rainbows in your tank

Melanotaenia Mairasi Rainbowfish fish the Agassizi/Bitaeniata complexes seem theA medium sized close relative to the "Most Amazing Rainbow," the Mairasi Rainbow attains a max size of 3 to 4 inches in captivity and is known to glow with red orange fins and horizontal lines along the body. This species is one of few to attain an almost tri coloration on the fins and the nuptial band glows lava orange! Being a smaller species and one that appreciates cooler temps (low 70s F), the Mairasi Rainbow will do quite marvelously with plants