Systomus orphoides

Systomus orphoides, is a species of cyprinid fish native to Southeast Asia. It can reach a length of 21 cm SL. It is closely related to, and maybe a synonym of, Systomus rubripinnis.

Sexual dimorphism
Adult males develop a more intense colour pattern than females and develop nuptial tubercles on the head in spawning condition.

Adult females tend to grow a little larger, are heavier-bodied, and less colourful.