1. KEY CONCEPT Bony fish include ray-finned and lobe-finned fish.

2. Ray-finned fish have a fan of bones in their fins.
Ray-finned fish have fins supported by a fan-shaped array of bones.
embedded in a thin layer of skin and connective tissue
light, collapsible, and easy to move

3. Ray-finned fish have a variety of body plans.
long torpedo-shaped bodies (barracuda)

4. Ray-finned fish have a variety of body plans.
flattened bodies (plaice)

5. Ray-finned fish have a variety of body plans.
elaborate camouflage (sea dragon)

6. A swim bladder helps a fish float higher or lower in the water.

7. Some ray-finned fish have both lungs and gills.
can breathe air and survive out of water for several hours at a time
example: bichir found in West Africa

8. Lobe-finned fish have paired rounded fins supported by a single bone.
Lobe-fins are paired pectoral and pelvic fins that are round in shape.
not as maneuverable as ray-fins
able to support weight
lobe fin

9. Only seven species of lobe-finned fish exist today.
coelacanths
lungfish