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Polydorid species (Polychaeta: Spionidae) in Japan, with descriptions of morphology, ecology and burrow structure. 1. Boring species

Published online by Cambridge University Press:  01 October 1999

Waka Sato-Okoshi
Waka Sato-Okoshi
Affiliation:
Laboratory of Aquatic Ecology, Division of Environmental Bioremediation, Graduate School of Agricultural Science, Tohoku University, Sendai 981–8555, Japan
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Abstract

A total of 13 boring species of spionid polychaetes were extracted from 28 different calcareous substrata (i.e. mollusc shells, coralline algae and barnacle tests) from Japan. The spionids were: seven Polydora spp.: Polydora brevipalpa, P. websteri, P. curiosa, P. uncinata, P. aura, P. glycymerica, Polydora sp; five Dipolydora spp.: Dipolydora concharum, D. bidentata, D. alborectalis, D. giardi, D. armata; and one Carazziella sp.: Carazziella reishi. All of them inhabited self-excavated burrows in living and/or migratory calcareous substrata and they were never found from soft sediments. Burrow structures were species-specific. The Polydora species basically excavated simple U-shaped burrows, while the Dipolydora species excavated more varied, distinct burrows. The boring activity seemed species-specific among polydorids. This study attempts to summarize and discuss the biological characteristics of these boring species inhabiting Japan. In addition, P. curiosa, P. glycymerica, Polydora sp., D. giardi and C. reishi are new to Japan.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 79 , Issue 5 , October 1999 , pp. 831 - 848
Copyright
© 1999 Marine Biological Association of the United Kingdom

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