What is the anatomy of fish?

What is the anatomy of fish?

Fish are animals that have organs similar to those of mammals or birds. Like a good part of living beings, they have a spine, but live in water so they are adapted to this environment.

Skin and scales:

The skin of fish includes a superficial epidermis that contains small glands it is a sticky liquid. In the second are implanted cells and scales. There are several types such as ctenenoids, cycloids, placoids and ganoids.

Skeleton and muscles:

The fish skeleton is a bone structure that supports the muscles and the brain. It consists of the bones of the head, a vertebral axis and ridges. The muscles are used to propel the fish and allow them to breathe. There are several types such as slender muscles, masseter and dorsal lateral muscles.

The fins:

It is the members of the fish that serve them to move and to orient themselves, the pectoral and pelvic fins are in even numbers, the caudal and the anal, in odd number, except in some species.

The mouth and the teeth:

The mouth of a fish is adapted to his diet, as well as the teeth that serve to better convey the prey to the throat finally the stomach.