This is a fin that is usually behind (posterior to) the operculum. It can be in the middle of the body or on the underside (ventral side) of the body.
one of the most anterior paired set of fins, in most livebearers located laterally immediately posterior to the gill slit, on the side of the body. Used for fine movement backward and forward.
These fins are on the sides of the fish. They are often used for more precise maneuvering. In a few species they are used for propulsion.
One of a pair of forward-pointing fins on fish.
Paired fins on the breast.
either of a pair of fins situated just behind the head in fishes that help control the direction of movement
Uppermost fins on either side of the body and usually just behind the gill.
fin positioned on either side of a fish just behind the gills
Paired fins on sides of the body, chest region.
the paired fins found on the sides of the fish near the front, used to maneuver, the swimming fins.
The paired fins located just behind the gills along the abdomen. Their function is to help the fish stop and turn.
forward-most paired fins on a fish
Pectoral fins (also know as flippers) that are found along each side of the whales body..
In fish, the fins on the sides of the body.