Pictures & Functions: Pictures Functions ● Caudal fin- propulsion and steering ● Dorsal fin- stability for swimming and keeping upright ● Anal fin- stability while swimming ● Pelvic fin- help body move up/down or to turn ● Pectoral fin- allows side to side movement ● Lateral line- detects vibration and pressure ● Head, Trunk, and Tail regions- place where body parts are held and supported
● Mandible- one part of the jaw; moveable and assists in chewing ● Maxilla- one part of the jaw; not moveable and assists in mouth bone structure ● Operculum- covers and protects gills ● Eye- assists with sight ● Nostril- assists with sense and detection of food ● Teeth- assist in feeding/chewing ● Tongue- transports oxygen and food quickly to body
● Gills- assist in respiration and gas exchange ● Anus- waste exits ● Scale- used for protection, camouflage, and maintaining water flow balance in body
● Intestine- last part of the digestive tract ● Swim bladder- assists with buoyancy; contains air for stability of fish ● Heart- helps pump blood throughout the body ● Liver- creates enzymes that assist in breaking down food ● Gallbladder- creates enzymes that assist in breaking down food ● Stomach- part of digestive tract where food is absorbed and digested
● Gill artch- support the gills ● Gill filaments- transfers ions and water; exchanges oxygen, carbon dioxide, acids and ammonia ● Brain- process signals from eyes and controls muscle reactions
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- Fall '15
- Gill artch