Perch Anatomy
On the dorsal side of the fish there consists a upper maxilla and lower mandible for the mouth a pair of nostrils and two lidless eyes. 3 stabilize while swimming.
When looking through a microscope the scale look like a plate with growth rings and spikes on the top edges.
Perch anatomy. Snub nosed bony freshwater fish with an oval body and a spiny dorsal fin. 2help fish swim no connection to spine or muscles. Part of the reason for the large numbers of fish is due to how well adapted they are to life in an aquatic environment.
4 maintains depth or flight or walking. 6 composes fins and connects to spine. 7 holds exoskeleton and nerve system.
1 stabilize against rolling or sudden turns. Perch dissection lab guide snc 2d1 background information fish are the largest group of vertebrates found in fresh and salt water. As you can see there are also have stomach intestine spiny dorsal fin swim bladder soft dorsal fin caudal fin.
It is a generalized fish without a great degree of specialization and therefore makes a good representative for fish anatomy. Externally the anatomy of perch is simple enough. 5 aids in going up or down.
There are three groups of the bony fish ray finned fish lobe finned fish and the lung fish. The perch is an example of a ray finned fish. The fish in the class osteichthyes have bony skeletons.
Find the bony covering on each side of the fishs head called the operculum. In fact over 25000 species of fish comprise about 50 of the vertebrate population. The flesh of this fish is highly valued.
Perch anatomy in this image you will find brain spinal cord kidney gallbladder spiny dorsal fin gills heart esophagus liver pelvic fin pancreas in perch anatomy. Anatomy of the perch the yellow perch perca flavens is a common fresh water fish found throughout north america. Pump oxygenated blood to tissue remove nitrogen ammonia from the blood and regulate water ba bundle of nerve tissue that spans from the medulla oblongata t dorsal aorta pump oxygenated blood to tissue kidney remove nitrogen ammonia from the blood and regulate water ba.
Anatomy of a perch perch. Perch have rough or ctenoid scales.
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