from The American Heritage® Dictionary of the English Language, 5th Edition.
- adjective Having fins supported by sharp, spiny, inflexible rays. Used of a fish.
from The Century Dictionary.
- In ichthyology, having spinous fin-rays; spine-finned; acanthopterygious.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adjective of or relating to fish with spiny fins
Sorry, no etymologies found.
Among the spiny-finned fishes, the Sticklebacks are the prettiest, but so savage that they often occasion much mischief.
The next two cases include the remaining specimens of the spiny-finned fish.
Cuvier, with not a few of the ichthyologists who preceded him, arranged the fishes into two distinct series, -- the Cartilaginous and Osseous; and these last he mainly divided into the hard or spiny-finned fishes, and the soft or joint-finned fishes.