I don't see the same problem with flatties as they can be safely landed with probably less risk of escape than with a speargun. But come on, attacking large fish on the grounds that it's a fair fight? What if you can't land it? What happens to the fish then? If you drown it's your problem. There are a lot of young and easily influenced people who read these forums as well as a fair few who would see all blood sports banned. If you want to be an underwater hunter then do it responsibly
Like I said, I only knife the usual flatties, that is within My limits.
I said that I think knifing wolfies is lunacy... just like spearing large congers (you might even disagree).
I just pointed out that its common practice here for the bolder hunters to knife wolffish and anglerfish as they are very easy to spear. the anglerfish is a static flatfish that relies on its camo. the wolffish is fairly static like conger and usually holed up... if it is holed up then its not going anywhere, injured or not. Its not at all like bass or mullet.
I dunno how familiar You are with these species but its a whole different ballgame.
I'm not promoting some crazy out there ideas... underwater hunting is shown on TV here. including the knifing of the species I mentioned.
I'm not in the habit of lying to appease some veggies with an axe to grind.