This large, oceanic fish is built for speed, with a torpedo-shaped body, smooth skin and streamlined fins (3). The albacore tuna is characterized by a dark yellow first dorsal fin and a pale yellow second dorsal fin (4). The pectoral fins, found on each side of the body, are exceptionally long, and the crescent-shaped, deeply-forked tail fin helps generate the power required to maintain the albacore tuna's impressive speeds. The albacore tuna is metallic dark blue on the back, with silvery-white sides and belly (3).
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