1. Tremendous diversity

3. Flat body shape NOT a ray
Flounder are flattened from side to side not top to bottom.
As flounder grows, one eye migrates to the other side.
Flounders lay on their sides.

4. Body coloration
Chromatophores- pigment cells that expand and contract to produce colors.
3 uses for color
Camouflage- help blend in with background
Disguise- disruptive coloration. Eye spots
Mimicry
Countershading-open water fish
Advertisement- bright colors; mating, warning

6. Question
What are 2 designs that allow the shark to move upward through the water?
Oily liver and stiff pectoral fins that give the shark lift.

7. Locomotion Side to side- most fish Undulation- eels (head to tail)
Use bands of muscles called myomeres
Bands of muscles contract in rapid succession along the lengthe of the body