Predator-prey interactions between blue crabs and ribbed mussels living in clumps
作者： Junda Lin
DOI: 10.1016/0272-7714(91)90028-A
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摘要: Abstract Predator-prey interactions between blue crabs (Callinectes sapidus) and ribbed mussels (Geukensia demissa) were studied by manipulating different components of mussel clump structure in the laboratory to test their effects on mussels' susceptibility crab predation. Mussels with stronger attachment strength or those buried deeper sediment suffered lower mortality. Blue showed no significant size selectivity when two classes mussles (30–40 50–60 mm shell heights) offered. When juvenile attached adult conspecifics completely centres clumps as field, did not actively search for them. The crabs, however, consume juveniles by-products they preyed upon which attached.
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