Sea mammal (6)
'sea mammal' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for dolphin that I've seen before include "Sea-mammal" , "Sea mammal like large porpoise, friendly towards people" , "Porpoise-like fish" , "Snall type of whale" , "Bottlenose creature?" .)
'sea mammal' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for walrus that I've seen before include "Sea beast with 6" , "Marine beast (with moustache)" , "Tusked marine animal" , "whiskers" , "Tusked sea mammal" .)