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A casting net, also called a throw net, is a net used for fishing. It is a circular net with small weights distributed around its edge. The net is cast or thrown by hand in such a manner that it spreads out while it's in the air before it sinks into the water. This technique is called net casting or net throwing.
Orcas have been observed to throw seal prey using their tail flukes in apparent play behavior. [15] Some primates can throw objects such as rocks, sticks, and feces as projectiles. Non-human primates that are known to throw are bonobos , [ 16 ] chimpanzees , [ 17 ] gorillas , [ 18 ] orangutans , [ 19 ] capuchins , [ 20 ] certain gibbons [ 21 ...
[24] [25] This translates, for example, to two thousand pounds of unwanted organisms adhered to what was once a clean 10-pound fish pen net. In South Australia, biofouling weighing 6.5 tonnes (approximately 13,000 pounds) was observed on a fish pen net. [26] This extra burden often results in net breakage and additional maintenance costs.
The oldest known fishing net is the net of Antrea, found with other fishing equipment in the Karelian town of Antrea, Finland, in 1913. The net was made from willow, and dates back to 8300 BC. [1] Recently, fishing net sinkers from 27,000 BC were discovered in Korea, making them the oldest fishing implements discovered, to date, in the world. [2]
An animal product is any material derived from the body of a non-human animal or their excretions. [1] Examples are meat, fat, blood, milk, eggs, honey, and lesser known products, such as isinglass, rennet, and cochineal. [2] The word animals includes all species in the biological kingdom Animalia, except humans.
An animal caught in a mist net becomes entangled, so the net must be checked often and the animal removed promptly. Disentangling an animal from a mist net can be difficult and must be done carefully by trained personnel. If an animal is heavily entangled, the mist net may need to be cut to avoid injuring the animal, damaging the material.
The weapon is usually used to entangle the animal's legs, but when thrown with enough force might even inflict damage (e.g. breaking a bone). Traditionally, Inuit have used bolas to hunt birds, fouling the birds in air with the lines of the bola. People of a Feather showed Belcher Island Inuit using bolas to hunt eider ducks on the wing. [3]
The twisted net of a Mayan hammock is very stretchy, letting it hold this sleeping baby securely. Nets, like fabric, stretch less along their constituent strands (the "bars" between knots) than diagonally across the gaps in the mesh. They are, so to speak, made on the bias. The choice of material used also affects the structural properties of ...
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