You're retarded.
Any idiot could tell he didn't mean "how does feraligatr fight crawdaunt" but "how will this affect feraligatr in terms of teambuilding and usage"?
Secondly, how does that even work?
Feraligatr NEVER gets a chance to switch in unless it's to revenge kill because Jolly Crawdaunt at +0 will ALWAYS kill it between Knock Off and Aqua Jet, and Feraligatr's +1 Aqua Jet only does 24.6 - 29.4%, and that's including the Life Orb.
So it comes in to revenge kill and Crawdaunt just switches out because Feraligtr can't trap and doesn't have Pursuit and you just switch to something that resists superpower or something