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BLUEFIN TUNA THUNNUS THYNNUS

Atlantic bluefins are dark blue to black near the dorsal surface and silvery near the ventral surface. The bluefin is known for the finlets that run down the dorsal and ventrals sides toward the anal fin. There are 12-14 spines in the first dorsal fin and 13-15 rays in the second dorsal fin. The anal fin has 11-15 rays. The average lifespan of bluefin tuna is 15-30 years.

BLUEFIN-TUNA-THUNNUS-THYNNUS

August 6, 2013 | Fish Species | Comments Off

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