Swimmer in every ocean (4)
I believe the answer is:
orca
(Other definitions for orca that I've seen before include "27 [WHALE]" , "Killer at sea" , "School killer" , "Large predator" , "Sea creature" .)
I believe the answer is:
orca
(Other definitions for orca that I've seen before include "27 [WHALE]" , "Killer at sea" , "School killer" , "Large predator" , "Sea creature" .)