Craftily obtain fish by weight (6)
I believe the answer is:
wangle
'craftily obtain' is the definition.
'wangle' can be an answer for 'obtain' (thesaurus). I am not certain of the 'craftily' bit.
'fish by weight' is the wordplay.
'fish' becomes 'angle' (angle can mean to fish).
'by' is a charade indicator (letters next to each other).
'weight' becomes 'w' (short for weight).
'angle' after 'w' is 'WANGLE'.
Can you help me to learn more?
(Other definitions for wangle that I've seen before include "Obtain craftily" , "Manipulate - falsify (a situation etc)" , "Obtain or arrange by using trickery" , "Deviously obtain" , "Obtain through influence" .)