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Observations on the resistance of Tigriopus fulvus (Fischer) to changes in temperature and salinity

Published online by Cambridge University Press:  11 May 2009

M. R. Ranade
M. R. Ranade
Affiliation:
Marine Biological Station, Port Erin
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Extract

Tigriopus fulvus can live normally within a salinity range of from 4·2 to 90%.

In waters of salinities above 90% it falls into a state of apparent death from which it can recover if transferred back to lower salinities.

The relation between immersion period and the recovery period is only slightly different at different salinities.

The lethal temperatures vary between 32·0 and 41·8°C depending on the salinity of the sea water, the lethal temperature being higher in higher salinities.

The fluctuations in salinity and temperature in the pools where the animals were collected are well within their tolerance limits.

T. fulvus is well adapted to its habitat.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 36 , Issue 1 , February 1957 , pp. 115 - 119
Copyright
Copyright © Marine Biological Association of the United Kingdom 1957

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References

Fraser, J. H., 1936. The occurrence, ecology and life history of Tigriopus fulvus (Fischer). J. mar. biol. Ass. U.K., Vol. 20, pp. 523–536.CrossRefGoogle Scholar
Issel, R., 1914. Vita latente per concentraz. dell'acqua e biologia delle pozze de scogliera. Mitt. Zool. Sta. Neapel, Bd. 22, pp. 191–255.Google Scholar