Crossword Genius

Somehow catch a lone fish (10)

Ross

I believe the answer is:

coelacanth

'fish' is the definition.
(I know that coelacanth is a type of crossopterygian)

'somehow catch a lone' is the wordplay.
'somehow' indicates an anagram.
'catch'+'a'+'lone'='catchalone'
'catchalone' with letters rearranged gives 'COELACANTH'.

(Another definition for coelacanth that I've seen is " bony fish".)

I've seen this clue in The Telegraph.
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