Sea creature (7)
'sea creature' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for octopus that I've seen before include "From influential organisation" , "Cephalopod mollusc" , "Eight-limbed cephalopod" , "Tentacled, shell-less mollusc" , "Eight-legged creature" .)
'sea creature' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for anemone that I've seen before include "Bright flower or sea plant" , "Name one strange flower" , "Plant; sea creature" , "Tentacled sea dweller, flower" , "Windflower - sea creature" .)
(Other definitions for fish that I've seen before include "Aquatic creature; rail-joining plate" , "Weatherman" , "counter in various games" , "Trawler's catch" , "Cod, dab, eel and ray" .)