Any of a number of fishes with a horn-like projection on the head:
- ● An Indo-Pacific surgeonfish (genus Naso, family Acanthuridae). ● A crestfish with a dorsal fin that extends forward from the head (Lophotes fiskii, family Lophotidae).
More example sentences
- With the unicorn fish this curved blade appears like a horn of a unicorn pointing forward from the nose.
- There are often many unicorn fish and schools of yellow snappers.
- It is not necessary that all unicorn fish have a horn.