Perch is a freshwater fish that can be found in the lakes and rivers of North America. Their diet consists of a variety of organisms such as snails, crayfish, mussels, leeches, insects, worms, and even fish eggs. Perch breathe by taking water in through their mouths, and then passing it through its gills. When this occurs, oxygen is able to dissolve into the bloodstream. Something interesting about perch is that they are not very good swimmers because they are not able to speed up quickly and easily.
External:
Eye: Helps the perch to see in the water
Pectoral Fins: Allows fish to tune its movement and keeps it from moving to the side.
Nares: Nostrils help remove moisture from exhalation
Spinal Dorsal Fin: Stabilize during sudden turns
Internal:
Kidney: Helps regulate water and salt balance within the fish
Gills: Exchange gases and transfer ions.
Spleen: Reservoir for blood within the perch
Stomach: Helps with mechanical and chemical digestion.
Incision guide
Video link
https://m.youtube.com/watch?v=FKG7F6s4TCk
Incision guide
Video link
https://m.youtube.com/watch?v=FKG7F6s4TCk
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