Furry mammals of the weasel family can go on board (6)
I believe the answer is:
sables
'furry mammals' is the definition.
'sables' can be an answer for 'mammals' (sable is a kind of mammal). I am unsure of the 'furry' bit.
'weasel family can go on board' is the wordplay.
I cannot quite understand how this works, but
'can' could be 'able' (I've seen this in other clues) and 'able' is present in the answer.
'on board' could be 'ss' (I've seen this in other clues) and 'ss' is found in the remaining letters.
This accounts for all the letters.
This may be the basis of the clue (or it may be nonsense).
'of the' is the link.
Can you help me to learn more?
(Another definition for sables that I've seen is " Small black animals with fine fur".)