THE LIMPET PATELLOIDA NIGROSULCATA ON INTERTIDAL PLATFORMS IN THE PERTH AREA, WESTERN AUSTRALIA |
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Authors: | WELLS FRED E; KEESING JOHN K |
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Institution: |
Western Australian Museum Perth 6000, Western Australia |
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Abstract: | Patelloida nigrosulcata on intertidal platforms in the Perthmetropolitan area live on the backs of shells of living abalone,Haliotis roei. Over 95% of abalone 30 mm have one or more limpets,and there is a close relationship between abalone and limpetdensity. Sexes are usually separate in P. nigrosulcata, butabout 4% of the population in hermaphroditic. The animals spawntwice annually in winter (MayJune) and spring (OctoberNovember).The reproductive periodicity of P. nigrosulata is compared toother published data on acmaeids.
*Present address: Australian Institute of Marine Science, PMBNo. 3, Townsville, Queensland 4810, Australia (Received 23 March 1987; |
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