Ruddy fishy cartels! (7)

I believe the answer is:

scarlet

'ruddy' is the definition.
(thesaurus)

'fishy cartels' is the wordplay.
'fishy' indicates anagramming the letters.
'cartels' with letters rearranged gives 'SCARLET'.

(Other definitions for scarlet that I've seen before include "Miss O'Hara appearing briefly" , "Murderer" , "immoral" , "bloody?" , "Bright red of clarets" .)

I've seen this clue in the Evening Standard.

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