Crossword Genius

Exotic fish goes and swims around right area (3,6)

Ross

I believe the answer is:

sea dragon

'exotic fish' is the definition.

'goes and swims around right area' is the wordplay.
'swims' indicates anagramming the letters.
'around' is an insertion indicator.
'right' becomes 'r' (common abbreviation).
'area' becomes 'a' (maths abbreviation).
'goes'+'and'='goesand'
'goesand' anagrammed gives 'seadgon'.
'r'+'a'='ra'
'seadgon' going around 'ra' is 'SEA-DRAGON'.

I've seen this clue in The Independent.
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