They found that folding or unfolding the dorsal fin significantly impacted factors like speed, efficiency and linear acceleration. When the robot tuna turned, erecting the dorsal fin increased its ...

The shark is only the second in history to be observed regrowing a dorsal fin.

The first dorsal fin function is primarily one of stabilisation and the prevention of roll; how the lack of her dorsal fin impacts her rolls is unknown.

A new study by a University of Miami PhD student reports a silky shark was able to regenerate much of its damaged dorsal fin. Instagram screengrab Mariners have long credited sharks with having ...

After scientists’ GPS tracking tag was violently removed from one shark’s dorsal fin, they were in for a surprise: The wound didn’t just heal, but the missing tissue grew back.