Send me a neat marine creature (7)
I believe the answer is:
manatee
'marine creature' is the definition.
The answer and definition can be both animals as well as being singular nouns.
Perhaps there's a link between them I don't understand?
'send me a neat' is the wordplay.
'send' is an anagram indicator (I've seen 'sends' mean this (send can mean excite or stir)).
'me'+'a'+'neat'='meaneat'
'meaneat' is an anagram of 'MANATEE'.
Can you help me to learn more?
(Other definitions for manatee that I've seen before include "Large swimmer" , "Beast" , "Sea cow - emanate (anag)" , "sea creature appears" , "rare sea mammal" .)