Took care of shark close to land (6)
I believe the answer is:
nursed
'took care of' is the definition.
(I've seen this before)
'shark close to land' is the wordplay.
'shark' becomes 'nurse' (nurse shark is a kind of shark).
'close to land' becomes 'd' (I can't explain this - if you can you should believe this answer much more).
'nurse'+'d'='NURSED'
Can you help me to learn more?
(Other definitions for nursed that I've seen before include "Took care of the sick" , "Cared for the ill" , "Tended to the sick, cared for" , "26dn the ill" , "Cared for a patient" .)