Pacific Yellowfin Tuna - NOAA Fisheries
WEBYellowfin tuna are torpedo-shaped. They are metallic dark blue on the back and upper sides and change from yellow to silver on the belly. True to their name, their dorsal and anal fins and finlets are bright yellow. An adult yellowfin tuna can be distinguished from other tunas by its long, bright-yellow dorsal fin and a yellow stripe down its side.
Atlantic Yellowfin Tuna - NOAA Fisheries
WEBSep 6, 2024 · Yellowfin tuna can be distinguished from other tunas by their long, bright yellow dorsal fin and a yellow strip down the side. They are also more slender than bluefin tuna.
Yellowfin Tuna | FWC - Florida Fish and Wildlife Conservation Commission
WEBSecond dorsal fin and all finlets are yellow and may be trimmed in black. Golden-yellow stripe on sides. Long pectoral fin reaches below the beginning of the second dorsal fin. Similar Species: Blackfin tuna, T. atlanticus (lacks elongated second dorsal and anal fins) Size: Common to 60 inches.
Hydrodynamic Analysis for the Morphing Median Fins of Tuna …
WEBJan 2, 2021 · Tuna can change the area and shape of the median fins, including the first dorsal, second dorsal, and anal fins. The morphing median fins have the ability of adjusting the hydrodynamic forces, thereby affecting the yaw mobility of tuna to a certain extent.
Hydraulic control of tuna fins: A role for the lymphatic ... - Science
WEBJul 21, 2017 · In bluefin tuna, a series of lymphatic vessels are integrated with muscles that allow the fish to raise and stiffen their dorsal fin. This provides extra stability during swimming. Science, this issue p. 310; see also p. 251. Abstract.
Yellowfin Tuna - American Oceans
WEBThe dorsal fin of the yellowfin tuna is long and starts just behind the head. It is followed by a series of smaller fins, called finlets. The anal fin is also long and starts just behind the anus. The fins of the yellowfin tuna are yellow in color, which is a …
Thunnus albacares, Yellowfin tuna : fisheries, aquaculture
WEBColour of back metallic dark blue changing through yellow to silver on belly; belly frequently crossed by about 20 broken, nearly vertical lines; dorsal and anal fins, and dorsal and anal finlets bright yellow, the finlets with a narrow black border (Ref. 9684).
Tuna fin movement controlled by biological hydraulic systems
WEBJul 20, 2017 · Through studying the anatomy, physiology, locomotion and fin movements of Pacific bluefin and yellowfin tuna swimming in tanks, researchers have found evidence of a biological hydraulic system in the large sickle-shaped fins centered above and below the tuna’s body, called the median fins.
Yellowfin Tuna | Species | WWF - World Wildlife Fund
WEBYellowfin tuna are torpedo-shaped with dark metallic blue backs, yellow sides, and a silver belly. They have very long anal and dorsal fins and finlets that are bright yellow. Yellowfin can live up to six or seven years.
Tuna Fins Are Weirder Than You Think - Live Science
WEBJul 20, 2017 · The plot deepened when Vadim Pavlov, a postdoctoral researcher in biomechanics at Stanford, dissected some bluefin fins for a separate study and discovered a strange fluid-filled cavity under the...
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