Anal fin on shark
Shark Anatomy - Ocean of K
The anal fin is located between the pelvic and caudal fins on the bottom, or ventral, part of the shark. Caudal Fins When it comes to the shark having the ability to propel itself through the water, they utilize what is called the caudal fin.
Shark Identification and Federal Regulations
Some sharks present with spines on their dorsal fin(s). 4. Anal Fin not all shark species present with an anal fin. It is situated between the pelvic fins and the tail on the bottom of the body (the ventral side).
Atlantic Blacktip Shark NOAA Fisheries
The anal fin is absent in the orders Squaliformes, Squatiniformes, and Pristiophoriformes. Shark fins are supported by internal rays called ceratotrichia. Tail. The tail of a shark consists of the caudal peduncle and the caudal fin, which provide the main source of thrust for the shark.