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Studies on Ligia oceanica. I. A. Habitat and Effect of Change of Environment on Respiration. B. Observations on Moulting and Breeding

Published online by Cambridge University Press:  11 May 2009

Aubrey G. Nicholls
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Extract

1. Ligia is a nocturnal animal inhabiting crevices in rocks above high-tide level. It is omnivorous though Fucus spp. form the main article of diet.

2. Immersion experiments were carried out in which the animals were subjected to a gradual transition from salt to fresh water. None survived this treatment for more than one month. It was noticed that the reduction in salinity was accompanied by an increase in the rate of beat of the pleopods.

3. Animals were subjected to sudden and gradual changes in temperature. One specimen survived a change from water at 15° C. to water at 30° C. for 28 minutes, but was dead after 78 minutes; a second, changed from water at 15° C. to water at 35° C, was to all appearances dead after 8 minutes, but recovered after being replaced in water at the original temperature.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 17 , Issue 3 , October 1931 , pp. 655 - 673
Copyright
Copyright © Marine Biological Association of the United Kingdom 1931

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References

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