|A minnow trap floats overnight near |
These traps use a system with an entrance, which is wide on the outside and gets progressively narrower. Scientists put bait inside and the minnow, fish or crab smells the bait and attempts to enter. Once it finds the center of the trap, it falls into the center.
Later, when it eats the bait and wants to leave, it will try to crawl along the borders (being a benthos) but it will not swim for the escape route in the center of the trap. Lobster fishermen use a similar method.
— Reported by Jensen Montambault
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