soldier fish
plural of soldier-fish
/ˈsoʊldʒər ˌfɪʃ/
noun
- A brightly colored tropical fish of the family Holocentridae, known for its large eyes and spiny fins, often found near coral reefs.
- Aquariums often keep soldier-fish because of their striking colors and active behavior.
- The soldier-fish gets its name from its spiny fins that look like a soldier's uniform.
- While snorkeling, we saw a bright red soldier-fish hiding under a coral ledge.