Dorsal: The top of the fish, or the back of a human. Ventral: The bottom of the fish or the belly of a human. The Fins Dorsal Fin: Provides steering control and balance Adipose Fin: There is no known use; however, this fin is often clipped to differentiate hatchery fish from wild fish Pectoral Fins: Aids in stabilization, maneuvering, and braking. Pelvic Fins: Aids in stabilization, maneuvering, and braking. Anal Fin: Provides balance. Caudal Fin: Also known as the tail fin it provides the main source of propulsion. Females use their caudal fin to dig their redd (nest). Body Shape The overall body of a salmon is streamlined for easier movement through the water. External Body Parts Nares: Fish use their nostrils for smelling, not for breathing. Eyes: Fish eyes can see both to the left and right at the same time, and each eye can move independently. Mouth: Allows the fish to take in food. All salmon have teeth, but some have bigger teeth than oth...
