External Anatomy Fish

Two fins the dorsal and anal are the primary appendages that prevent the fish from rolling over on its side. Remember that unlike humans whose basic form as a species is upright fish range much more in shape and even in which body parts they have.

Painet Jn3945 Brook Trout External Anatomy Head Salvelinus

These are the parts of a fish that enable it to swim although some species have developed their fins for other purposes.

External anatomy fish. The perch has a second dorsal fin as you can see. Other than sharks whose fins are more like the flippers we associate with dolphins most fish have fins constructed of spines or softer rays supporting a webbed structure. External anatomy fins are used by fish to move through the water but also to steer stop and maintain their position the latter in conjunction with the swim bladder.

The shapes of fish. Connects the brain to the rest of the body and relays sensory information from. Here are some of the basic and not so basic external fish parts.

Note the external anatomy similarities between the crappie and the perch. The next structure is the lateral line 2 which like the name implies is a line that follows the length of the fish. This is the control center of the fish where both automatic functions such as.

But generally speaking theyre similar enough and easy to identify. Take a look at the fish in the image which is a bony fish. The primary structural framework upon which the fishs body is built.

Bullet shaped the most common form. Lets start with number 1 which is a bony structure that covers the gills and aids in respiration breathing called the operculum. Internal fish anatomy spine.

The location of its fillet is the same. Fins gill plate tail all very similar in location. The external parts of a fish.

Ppt Fish Dissection Powerpoint Presentation Free Download