Submergence Avoidance Behavior in the Periwinkle Littorina Irrorata Is Not Due to Threat of Drowning

Bleil, David F.; Gunn, Mary E.

doi:10.2307/1351532

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1982

1993

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Cited by 4 publications

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“…Bingham (1972) attributed the absence of snails in barren areas to "reluctance of the species to remain submerged." Bleil and Gunn (1978) demonstrated that this response is not caused by threat of drowning; the snails can survive long periods under water. Hamilton (1976) attributed the avoidance of submergence to predation by the blue crab Callinectes sapidus Rathbun, which enters the marsh with the flood tide and preys on periwinkles.…”

Section: Introductionmentioning

confidence: 97%

Size-Specific Emergence of the Marsh Snail, Littorina irrorata: Effect of Predation by Blue Crabs in a Virginia Salt Marsh

Stanhope

Banta

Temkin³

1982

GCR

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Marsh periwinkles of 5 to 7 mm in shell height were eaten regularly by blue crabs. Fractures marking unsuccessful crab attacks were present in about 25% of medium-sized (10-16 mm) snails and over 60% of larger snails (over 16 mm). Medium-sized snails, subject to predation, leave the water more frequently than larger snails, but only about a quarter of the snail population leaves the water during high tide. We found no evidence that the snails leave the water because they sense blue crabs in the water.

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Section: Introductionmentioning

confidence: 97%