| Term | Definition |
|---|
| where do bony fish live | fresh water |
| bony fish | largest group of fishes |
| lateral line system | sensory system for detecting movement in water, first seen in cartaliginous fish. |
| lateral line system | series of pits in the side of bony fish that send nerve impulses in response to pressure/ mvmt of water |
| operculum of bony fish | gill cover, can open & close to to move water so they do not have to constatnly swim to breath |
| density of body of bony fish | is greater than density of water- so they would sink |
| swim bladder | gas sac that they can fill/empty to control their bouyancy |
| lung fish | have lungs and gills, take in O2 from air and water, live in shallow ponds& burrow in mud- secrete cocoon to wait in during dry season |
| lobe-finned fishes | fleshy fins resemble paddles |
| coelacanth | fish thought to have been extinct since the Cretaceous Period but found in 1938 off the coast of Africa |
| ray finned fish | most living fish, have bony structure supporting thier fins |
| rays | bony structure that supports the fins |
| teleosts | ex perch, have highly mobile fins, very thin scales and symmetrical tails |
| teleosts | 95% of all fish species |
Combine with other sets
Share on Facebook
Share on MySpace
!