Fish Information

1. Skin
        Covered with bony scales
             Scales are waterproof
             Glands secrete mucus which protect the fish from infection.

 2. Gills
        Oxygen enters the bloodstream at the gills
             Carbon dioxide diffuses out at the gills

 3. FINS
        Pectoral 
              Paired fins used for turning; also used for tasting, touching, support, and power
             Pelvic
              Paired fins add stability and are used for slowing
             Dorsal
                    Single fin used for sudden direction changes.
                      Acts as a "keel" to keep the fish stable
              Caudal
              Propulsion
              Anal
              Stability