Shark tail fins, also called the caudal fins , are unique among all fishes.
CAUDAL FIN: This tail fin is used to move the shark forward. Some sharks (nurse sharks) do not have the lower lobe of the caudal fin. |
Swimming is achieved by side-to-side undulations of the caudal, or tail fin, and often part of the trunk; these motions propel the shark forward. Unlike those ... |
The caudal fin, or tail fin, is the fin located at the top of the tail. The caudal fin is used for propel the shark forward, increasing or decreasing speed, and ... |
19 дек. 2016 г. · The tail region itself consists of the caudal peduncle and the caudal fin. The caudal peduncle may have notches known as precaudal pits found ... |
The anal fin is absent in the orders Squaliformes, Squatiniformes, and Pristiophoriformes. Shark fins are supported by internal rays called ceratotrichia. |
Porbeagle and oceanic whitetip first dorsal fins can be rapidly and unambiguously identified to the species level based on the diagnostic white markings ... |
Sharks possess a heterocercal caudal fin in which the dorsal portion is usually noticeably larger than the ventral portion. |
The image shows the positions of the fin types that are highly prized in trade: the first dorsal, paired pectoral fins and the lower lobe of the caudal fin. |
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