In tanks with four shrimp, the shrimp that moulted first died first. The largest of the remaining trio then turned on the smallest. The shrimp would fight to the death even when they had plenty of food, suggesting that the serial killing had nothing to do with resources and everything to do with living in pairs. Though the experiments always resulted in only one pair of shrimps surviving in each tank, Wong says that an interloper could cause the happy couple to split up.
Partnerships only last as long as they are the best thing on offer for both. If another, larger shrimp were to enter the tank, the smaller of the existing pair would not survive its next moulting.
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Share this —. The parasite effects are debilitating and demonstrate how infection can influence biologic behavior. Although ingesting the shrimp does not pose a threat to humans, we are not immune to parasite infection. In fact, according to the CDC, there are 5 parasitic infections on the hit list: Chagas disease, cysticercosis, toxocariasis, toxoplasmosis, and trichomoniasis.
The most common, with infection rates of 60 million per year is Toxoplasmosis followed by Trichomoniasis, a STD. Read more at www.
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