Documents Pennsylvania Fish Species 160 Native to PA Study of fish biology: Ichthyology.

Slide 1 Slide 2 Pennsylvania Fish Species 160 Native to PA Study of fish biology: Ichthyology Slide 3 General Classification Spiny-rayed fish Hard, sometimes sharp spines…

Documents Class Chondrichthyes aka Cartilaginous fishes sharks and rays sharks and rays.

Slide 1 Class Chondrichthyes aka Cartilaginous fishes sharks and rays sharks and rays Slide 2 Slide 3 Slide 4 General Characteristics These organisms have a skeleton made…

Documents Senses –Touch, taste, smell, electric, lateral line Basic Anatomy Disease Resistance Defense...

Slide 1 Slide 2 Senses –Touch, taste, smell, electric, lateral line Basic Anatomy Disease Resistance Defense (mucus) Defense (scales) Defense (poisons) Osmoregulation Colors…