they stick theyre penis into the female finned fish
They are a tropical ray-finned fish.
They are a tropical ray-finned fish.
the fins
http://en.wikipedia.org/wiki/Actinopterygii They are ray-finned. Search for 'perch' on that page and it says on there =]
A Sturgeon fish is class Actinopterygii or a ray-finned fish. A lobe finned fish is a class Sarcopterygii.
Most fish are Ray Finned. Including the Goldfish and just about every fish you see in a pet shop.
. . . a "Ray-Finned" fish .
Perch are lobe-finned. The fins on Perch fish are fairly rounded and distinct for this species of fish in the wild.
http://en.wikipedia.org/wiki/Actinopterygii They are ray-finned. Search for 'perch' on that page and it says on there =]
Ray-finned fish.
Ray finned fish have webs of skin supported by bony or horny spines. These spines are called rays. Goldfish have these types of fins.
the fins.