The Red Rainbow is one of the most popular of the PNG rainbows. Mature males are completely red, except for a number of silver reflective scales randomly scattered over the body. Juveniles and females are mostly silver, the males start to transform into their adult colour at 5-6cm. A hardy and easy to keep species which is ideal for community aquaria. Native to Lake Sentani in Irian Jaya, Red Rainbows can grow to 12-14cm.