Word: steals
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Dates: during 2010-2019
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...punishment - or just the threat of punishment - that's the key. Bshary and others already knew that in the wild, male wrasses, which are larger than females, become hopping mad when their partners steal a bite of their clients, and they often chase the female around in a threatening manner. To prove that this was indeed the physical scolding it appeared to be, Bshary and colleagues ran a tank experiment in which they introduced a plate of normal fish flakes (which wrasses like) and prawns (which wrasses love) to two fish. If either fish ate a tasty prawn, the researchers...