Increased prey vulnerability was demonstrated for fathead minnows (Pimephales promelas) undergoing acute (24-h) and subacute (21-d) sublethal cadmium exposure prior to interacting with largemouth bass (Micropterus salmoides). The lowest acute and subacute cadmium concentrations that increased prey vulnerability were 0.375 and 0.025 mg Cd/L, respectively, with the latter well below the maximum acceptable toxicant concentration for fathead minnows. Prey exposed to cadmium displayed altered behavior patterns, including abnormal schooling behavior.
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Atchison et al. (1978) studied this question.
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