On the side of the fish
A fish has several different types of fins. There are the pectoral fins, located beneath the operculum (gills). There is the pelvic fin, located at the bottom of the fish, below the pectoral fin. There is the anal fin, which i located behind the anus, and there is the dorsal fin as well. It is located on top of the fish.
Pectoral fins
Just behind the gills on its head.
The pectoral fin on a shark helps with steering and stability while swimming.
The pectoral fins in both sharks and body fish are Lateral, which refers to them being located on the sides. Ventral would mean that the fins are on the bottom of the fish, which is not true.
The pectoral fins(located on each side) helps steer a fish during movement.
Fin whales have two pectoral fins and a dorsal fin.
The pectoral fin mantains how deep the fish can go.
Pectoral or Flippers
The tail fins are 'flukes'. Otherwise the fin on any marine animal is "... fin" where "..,." is the adjective denoting its position on the body.
Caudal fin, Dorsal fin, Pectoral fin, Ventral fin, and the fin.
Pectoral fins.