The main thing with Baracuda is that they are a reef predator... Safe to eat while they are young, but after about 3 feet, you'll risk getting sick with ciguatera...
In the FL keys they say "longer than your arm, will do you harm". It applies to any predatory fish - from Amber Jack, to uhm I can't think of a tropical predatory z fish... but grouper, snapper and so forth are subject to the same issues... tro
despite living here in the tropics, I've never met, or known of anyone whose been sick from c-toxin...
I hear that they substitute 'cuda meat for mahi mahi and some of the other expensive fish.
I usually leave them alone. I spend more time diving for lobster, than fishing, and if I'm diving I'd have to take it with my gloved hands, and a dive knife... something I have done with grouper, but not baracuda. They sure creep me out on occasion though... PIcture being 20' under water, arm in a hole up to your shoulder, trying to pull out a particularly tough lobster, and all of a sudden you feel yourself being watched... Then comes the enormous shadow.... Somewhere in the back of your mind the jaws theme song starts.... Then it swims into view, and its just a baracuda. No big deal. put the watch in the lobster bag, and no problem.
Biggest baracuda I've ever seen was easily 6 feet long... They are ugly (in general) but disproportionately so when they are as big as you are.