The enigmatic viviparous chiton Calloplax vivipara (Plate, 1899) (Mollusca: Polyplacophora) and a survey of the types of reproduction in chitons

The enigmatic viviparous chiton Calloplax vivipara (Plate, 1899) (Mollusca: Polyplacophora) and a... The chiton Calloplax vivipara was previously considered as ovoviviparous [40]. However, six females of C. vivipara found on Chilean coast brooded both ova and juveniles in their pallial grooves. Therefore, the data of Plate [39, 40] about ovoviviparity in C. vivipara are to be considered incorrect. The present study discusses four methods of reproduction in chitons: (1) free spawning of separate eggs into the water; (2) spawning of eggs as a mucous mass or a mucous string on the bottom; (3) spawning of eggs into the pallial groove of a female, where eggs and larvae are brooded; and (4) spawning of eggs with hulls (capsules) on macroalgal thalli. Tables with lists of brooding species of chitons are included in the paper. Four brooding species have been recorded for the first time, thus increasing the number of brooding species of chitons to 41. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Marine Biology Springer Journals

The enigmatic viviparous chiton Calloplax vivipara (Plate, 1899) (Mollusca: Polyplacophora) and a survey of the types of reproduction in chitons

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Publisher
Springer Journals
Copyright
Copyright © 2015 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Freshwater & Marine Ecology
ISSN
1063-0740
eISSN
1608-3377
D.O.I.
10.1134/S1063074015010095
Publisher site
See Article on Publisher Site

Abstract

The chiton Calloplax vivipara was previously considered as ovoviviparous [40]. However, six females of C. vivipara found on Chilean coast brooded both ova and juveniles in their pallial grooves. Therefore, the data of Plate [39, 40] about ovoviviparity in C. vivipara are to be considered incorrect. The present study discusses four methods of reproduction in chitons: (1) free spawning of separate eggs into the water; (2) spawning of eggs as a mucous mass or a mucous string on the bottom; (3) spawning of eggs into the pallial groove of a female, where eggs and larvae are brooded; and (4) spawning of eggs with hulls (capsules) on macroalgal thalli. Tables with lists of brooding species of chitons are included in the paper. Four brooding species have been recorded for the first time, thus increasing the number of brooding species of chitons to 41.

Journal

Russian Journal of Marine BiologySpringer Journals

Published: Apr 8, 2015

References

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