Tremendous diversity http://www.sciencechannel.com/video-topics/strange-creatures/weird-creatures-with-nick-baker-bony-fish.htm.

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Presentation transcript:

Tremendous diversity http://www.sciencechannel.com/video-topics/strange-creatures/weird-creatures-with-nick-baker-bony-fish.htm

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.

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

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. http://www.animalplanet.com/tv-shows/river-monsters/videos/the-giant-snakehead.htm

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