Daily fish fact #595
Dusky batfish!
It goes through a major change as it matures, going from a juvenile with a deep black colour with bright orange highlights and large, elongated fins to an adult with more proportionate fins, lighter colours, stripes and yellow accents. The eye-catching appearance of the juvenile is meant to mimic a toxic flatworm, so that predators won't make the fish a target!
Oh, and here's the adult, for good measure:















