Three trawl style boats

With aluminium hull

A common characteristic of these three boats is that the engine is towards the front part of the boat (bow). Towards the back side of the boat there is enough space for machinery to use and also the option to pull a net. There are cone type nets for trawl fishing and hopefully there must be some builders for them near by. The question about putting an electric anode from a battery so as to cause anaesthesia to the fish, is how thick that should be how deep and what size of fish should be found with the fish finder so as to secure a catch by drifting a cable above the shoal. The shoaling behaviour of fish need to study. If the fish stay at one place that would be all right for a method that applies electricity slowly, whereas if they move from place to place the electricity won’t affect them and that would mean more fuel cost to chase them.

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