mechanic(al) narcosis

mechanic(al) narcosis
stunning fish for food by vibrations. Clubs can be used to bang on ice of the appropriate thickness (not too thick and slightly brittle) to stun fish just below, or on rocks to stun fish hiding underneath them. Thrown objects from rocks to boomerangs used to stun fish would also fall in this category as would bullets (meant to stun not hit) and explosives

Dictionary of ichthyology. 2009.

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