Lift nets are hauled out by hand or mechanically. For operating a large lift net and maintain it open, several long poles off one or the two sides of the boat are, in general, necessary. A number of pulleys and/or small winches for letting the lift net to dip, then for the hauling of it.
The unexpected bycatch rates is, in general, low. However, when lights are used more species than expected are often attracted (e.g. cephalopods).