finny

English

From fin +‎ -y.

finny (comparative finnier, superlative finniest)

(of a fish) Having one or more fins.
- 1726, Homer, translated by Alexander Pope, The Odyssey:
  The silent fisher […] waits the finny prize (Book XII)
- 1928, RG&E News, volume 16, page 334:
  The finny trophies he brought back in the form of numerous fat pickerel were ample evidence of his fishermanship.
Resembling a fin.
Abounding in fishes.
- 1730–1774, Oliver Goldsmith, Introductory to Switzerland
  Cheerful at morn, he wakes from short repose,
  
  Breathes the keen air, and carols as he goes;
  
  With patient angle trolls the finny deep,
  
  Or drives his venturous ploughshare to the steep;

having one or more fins

resembling a fin

abounding in fish