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Blackfin tuna
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The blackfin tuna is a species of tuna in the family Scombridae. It is occasionally referred to as the Bermuda tuna, blackfinned albacore, or deep bodied tunny. They are the smallest tuna species in t
Blackfin tuna
In Florida
In Florida
Dorsal fin
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A dorsal fin is a fin on the back of most marine and freshwater vertebrates. Dorsal fins have evolved independently several times through convergent evolution adapting to marine environments, so the f
Dorsal fin of a shark
Dorsal fin of a shark
Most fish, like this large goldfish, have one dorsal fin.
Most fish, like this large goldfish, have one dorsal fin.
Many catfish can lock their dorsal fin spines erect and secrete venom to discourage predators.
Many catfish can lock their dorsal fin spines erect and secrete venom to discourage predators.
The great white shark's dorsal fin contains stabilizing dermal fibers that stiffen dynamically as it swims faster to control roll and yaw.
The great white shark's dorsal fin contains stabilizing dermal fibers that stiffen dynamically as it swims faster to control roll and yaw.