The Collaborative International Dictionary of English v.0.48:

Squamipen \Squam"i*pen\ (skw[a^]m"[i^]*p[e^]n or
   skw[=a]"m[i^]-), n.; pl. Squamipennes (-p[e^]n"n[=e]z). [L.
   squama a scale + penna a fin: cf. F. squamipenne.] (Zool.)
   Any one of a group of fishes having the dorsal and anal fins
   partially covered with scales.
   [1913 Webster]

   Note: They are compressed and mostly, bright-colored tropical
         fishes, belonging to Chaetodon and allied genera.
         Many of them are called coral fishes, and angel
         fishes.
         [1913 Webster]