Fish I catch needs basket (8)
I believe the answer is:
bassinet
'basket' is the definition.
(thesaurus)
'fish i catch' is the wordplay.
'fish' becomes 'bass' (bass is a kind of fish).
'catch' becomes 'net' (netting is a kind of catching).
'bass'+'i'+'net'='BASSINET'
'needs' is the link.
(Other definitions for bassinet that I've seen before include "Baby's cradle or pram" , "Type of cradle" , "Wicker cradle" , "Hooded basket for a baby" .)