the namphyr are an alien species of mine
they are sort of a mix of insects and fish, sometimes with a little shrimp mixed in

This is the gephen, a phenotypical subset of the namphyr who live in kelp forests (the kelp on their planet is bright yellow).

All namphyr are sequential hermaphrodites and change sexual function depending on the season and pressure and temperature of the water. In the gephen, when they have a male sexual function, they are more purple with more spots When female they are more blue with less spots.