Brook can't swim, but at least unlike other Devil Fruit users it won't kill him. But someone will have to pull him out, since not only can he not swim, but he'll be paralyzed if immersed in water.
Yep. This is all true. Actually what I find interesting about this, is that according to some of the websites I looked at while researching Brook, Brook sometimes forgets he becomes paralyzed when he’s in water. I’ve seen mention of a time one of his friends falls overboard, and how Brook dove in to try and save them, only to end up needing saving himself. Probably a gesture that was played up for laughs, but little things like that make me really impressed by Brook’s loyalty to his friends and his crew.