Abstract
The responses of the post-embryonic stages of Corophium volutator (Pallas) and C. arenarium Crawford to the combined effects of salinity and temperature show that gravid females have a wider tolerance than nongravid adult females which in turn are more tolerant than adult males. C. volutator is more tolerant of low salinity (2 to 10‰) than C. arenarium, but the latter is more tolerant of salinities above 45‰. The embryos of C. volutator develop normally and hatch at lower salinities and temperatures than those of C. arenarium, in which successful development was recorded at higher temperatures. Females undergoing a pre-copulatory moult failed to lay eggs below salinities of 3‰ (C. volutator) and 10‰ (C. arenarium), but in both species the lowest salinity at which all females moulted and laid eggs was 20‰. The results are discussed in relation to the distribution of both species.
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Communicated by J. Mauchline, Oban
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Mills, A., Fish, J.D. Effects of salinity and temperature on Corophium volutator and C. arenarium (Crustacea: Amphipoda), with particular reference to distribution. Mar. Biol. 58, 153–161 (1980). https://doi.org/10.1007/BF00396127
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DOI: https://doi.org/10.1007/BF00396127