Name some more different methods to catch fish and how they are used and for what type of fish and ecological damage

Bottom trawl - cone shaped pulled just above or on seabed - Very efficient to catch many fish - can have high ecological damage - bycatch and seabed damage Pelagic trawl - as bottom trawl but in the pelagic - use echosounders to locate fish position and depth - can have bycatch but methods are used to avoid