Features of the shell morphology of Mytilus trossulus (Bivalvia: Mytilidae) in the fouling of the alga Sargassum pallidum (Phaeophyceae: Sargassaceae)

Features of the shell morphology of Mytilus trossulus (Bivalvia: Mytilidae) in the fouling of the... The features of ontogenetic variation in the shell shape of the bivalve Mytilus trossulus were studied based on material that was collected from different biotopes in the Vostok Bay of the Sea of Japan in 2011. It was revealed that the mollusks had different shell shapes in rock populations and in foulings of artificial substrates but all the developmental changes fall within formerly recorded peculiarities. It is shown that significant deviations from the typical form of the shell are characteristic to mollusks from the fouling of thalli of the brown algae Sargassum pallidum that inhabit shallow water at surf-exposed rocky headlands. The mollusks from this biotope were characterized by numerous traces of deformations of the shell, an atypically skewed growth of the rear edge, and a significant excess (20–25%) of the width over the shell height. It was revealed that the recorded features of shell morphology are apparently associated with features of mussel habitation in an environment with active hydrodynamics. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Marine Biology Springer Journals

Features of the shell morphology of Mytilus trossulus (Bivalvia: Mytilidae) in the fouling of the alga Sargassum pallidum (Phaeophyceae: Sargassaceae)

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Publisher
Springer Journals
Copyright
Copyright © 2013 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Freshwater & Marine Ecology
ISSN
1063-0740
eISSN
1608-3377
D.O.I.
10.1134/S1063074013010094
Publisher site
See Article on Publisher Site

Abstract

The features of ontogenetic variation in the shell shape of the bivalve Mytilus trossulus were studied based on material that was collected from different biotopes in the Vostok Bay of the Sea of Japan in 2011. It was revealed that the mollusks had different shell shapes in rock populations and in foulings of artificial substrates but all the developmental changes fall within formerly recorded peculiarities. It is shown that significant deviations from the typical form of the shell are characteristic to mollusks from the fouling of thalli of the brown algae Sargassum pallidum that inhabit shallow water at surf-exposed rocky headlands. The mollusks from this biotope were characterized by numerous traces of deformations of the shell, an atypically skewed growth of the rear edge, and a significant excess (20–25%) of the width over the shell height. It was revealed that the recorded features of shell morphology are apparently associated with features of mussel habitation in an environment with active hydrodynamics.

Journal

Russian Journal of Marine BiologySpringer Journals

Published: Mar 25, 2013

References

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