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Parts of the Fish and the Function
Fins To allow the fish to stay upright, move, and maneuver in the water
Rays Soft cartilage structure that supports the fins of the fish.
Spine Hard structure that supports the fins and is used for defense
Dorsal and Anal Fins Balance and close quarters movements
Pectoral Fin Allows to fish to dive and also allows the fish to stay in one spot.
Pelvic Fin Balances and positions
Tail Fin Helps to propel the fish
Lateral Line Helps the fish detect vibration, sensors, and helps the fish to find food and to navigate to avoid predators.
Gills Supply the fish with oxygen that they need from water. Gills are one of the most important parts on a fish.
Gill Raker Strain the aquatic micro structure for use by the fish.
Barbels Bottom feeders, they only taste and feel
Scales Protective cover on fish that prevents injury or disease also indicates age.
Skin Catfish-Bullhead Tough skin and scales Trout/Carp
Mucus Covering Protection from infections and disease. Also helps in swimming, lowering friction in the water.
Nostrils Are for smell
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End Show Slide 1 of 62 Copyright Pearson Prentice Hall Biology.
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