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Nearly every fin of a shark is targeted for harvest, as highlighted in the diagram. The primary and secondary dorsal fins are removed from the top of the shark, plus its pectoral fins, and, in a single cutting motion, the pelvic fin, anal fin, and bottom portion of its caudal fin, or tail.
Batoid gill slits lie under the pectoral fins on the underside, whereas a shark's are on the sides of the head. Most batoids have a flat, disk-like body, with the exception of the guitarfishes and sawfishes, while most sharks have a spindle-shaped body. Many species of batoid have developed their pectoral fins into broad flat wing-like appendages.
The meat of the spinner shark is of high quality and sold fresh or dried and salted. In addition, the fins are used for shark fin soup in East Asia, the liver oil is processed for vitamins, and the skin is made into leather products. Spinner sharks are an important catch of the US commercial shark fisheries operating in the northwestern ...
The R310s had a so-called "shark fin" antenna which was short and almost flat, and could withstand flexing. The software was similar to that in other Ericsson phones of the period and the package offered voice dialing, vibrating call alert, and data/fax capabilities.
Over the past several months, viewers have submitted videos of what appears to be a giant shark fin popping out of the water near the beaches in the Tampa Bay Area. The Florida Fish and Wildlife ...
Stethacanthus had different sizes depending on species, S. altonensis had length about 1.5 metres (4.9 ft), while S. productus reached 3 metres (9.8 ft). [7] In many respects, it had a shark-like appearance.
The tail of a shark consists of the caudal peduncle and the caudal fin, which provide the main source of thrust for the shark. Most sharks have heterocercal caudal fins, meaning that the backbone extends into the (usually longer) upper lobe. The shape of the caudal fin reflects the shark's lifestyle, and can be broadly divided into five categories: