Bony Fishes - Trapping Methods Flashcards
1
Q
diff. trapping methods
A
- cast nets
- gill nets
- seine nets
- scoop nets
- surrounding nets
2
Q
constructed from a series of tailored netting sections joined together to produce a cone-shaped net with weights and a drawstring attached to the perimeter and cast by a fisher to catch fish.
A
cast nets
3
Q
- wall of netting that hangs in the water column, typically made of monofilament or multifilament nylon.
- Mesh sizes are designed to allow fish to get only their head through the netting but not their body.
A
gillnet
4
Q
very long net, with or without a bag in the center, which is set either from the shore or from a boat for surrounding a certain area and is operated with two (long) ropes fixed to its ends (for hauling and herding the fish).
A
seine net
5
Q
refers to a fishing gear consisting of a net and one to two poles to keep the net open. It is either pushed forward in shallow water by one or two fishermen.
A
Scoop net
6
Q
- large netting walls set for surrounding aggregated fish both from the sides and from underneath, thus preventing them from escaping by diving downwards.
- Apart from a few exceptions, these are surface nets.
- The netting wall is framed by lines: a float line on top and leadline at the bottom.
A
Surrounding nets