Apex ocean predator (4)
I believe the answer is:
orca
(Other definitions for orca that I've seen before include "Large mammal" , "Killer in deep" , "Large predator" , "Killer whales" , "27 [WHALE]" .)
I believe the answer is:
orca
(Other definitions for orca that I've seen before include "Large mammal" , "Killer in deep" , "Large predator" , "Killer whales" , "27 [WHALE]" .)