Squamipen Squam"i*pen (? or ?), n.;pl. Squamipennes. [L. squama a scale + penna a fin: cf. F. squamipenne.] (Zo["o]l.) Any one of a group of fishes having the dorsal and anal fins partially covered with scales. Note: They are compressed and mostly, bright-colored tropical fishes, belonging to Ch[ae]todon and allied genera. Many of them are called soral fishes, and angel fishes.