Another place where eels are swimming (9)

I believe the answer is:

elsewhere

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'another place where eels are swimming' is the definition.
I can't tell whether this defines the answer.

'where eels are swimming' is the wordplay.
'are swimming' indicates an anagram.
'where'+'eels'='whereeels'
'whereeels' anagrammed gives 'ELSEWHERE'.

Can you help me to learn more?

(Other definitions for elsewhere that I've seen before include "different position" , "In a different place" , "different places" , "away" , "abroad?" .)

I've seen this clue in The Times.

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