Description
The rainbow shark has an elongated, dark-black and greenish body, or also can have a light-orange body with dark-red fins. The snout is pointed. The abdominal area is flat. The fins possess red to orange-red coloration. The linear area from the gill cover, the eye, and the mouth has a characteristic brief stripe. Compared to females, male rainbow sharks have thinner bodies with black lines along the tailfins. Males also have brighter coloration. They can grow up to 7 inches long but in rare cases, they reach 8 or 9 inches.
