Reproduction of gastropods from vents on the East Pacific Rise and the Mid-Atlantic Ridge Tyler, Paul A. Pendlebury, Sophie Mills, Susan W. Mullineaux, Lauren S. Eckelbarger, Kevin J. Baker, Maria C. Young, Craig M. 2010-04-14T15:29:28Z 2010-04-14T15:29:28Z 2008-03
dc.description Author Posting. © National Shellfisheries Association, 2008. This article is posted here by permission of National Shellfisheries Association for personal use, not for redistribution. The definitive version was published in Journal of Shellfish Research 27 (2008): 107-118, doi:10.2983/0730-8000(2008)27[107:ROGFVO]2.0.CO;2. en_US
dc.description.abstract The gametogenic biology is described for seven species of gastropod from hydrothermal vents in the East Pacific and from the Mid-Atlantic Ridge. Species of the limpet genus Lepetodrilus (Family Lepetodrilidae) had a maximum unfertilized oocyte size of <90 μm and there was no evidence of reproductive periodicity or spatial variation in reproductive pattern. Individuals showed early maturity with females undergoing gametogenesis at less than one third maximum body size. There was a power relationship between shell length and fecundity, with a maximum of 1,800 oocytes being found in one individual, although individual fecundity was usually <1,000. Such an egg size might be indicative of planktotrophic larval development, but there was never any indication of shell growth in larvae from species in this genus. Cyathermia naticoides (Family Neomphalidea) had a maximum oocyte size of 120 μm and a fecundity of <400 oocytes per individual. Rhynchopelta concentrica (Family Peltospiridae) had a maximum oocyte size of 184 μm and a fecundity <600, whereas in Eulepetopsis vitrea (Family Neolepetopsidae) maximum oocyte size was 232 μm with a fecundity of <200 oocytes per individual. In none of these three species was there any indication of episodicity in oocyte production. From our observations we support the paradigm that there is no reproductive pattern typical of vent systems but is more related to species' phylogeny. en_US
dc.description.sponsorship This study was carried out during the tenure of NSF grants OCE- 0243688, OCE -0118733 and OCE-9619606 en_US
dc.format.mimetype application/pdf
dc.identifier.citation Journal of Shellfish Research 27 (2008): 107-118 en_US
dc.identifier.doi 10.2983/0730-8000(2008)27[107:ROGFVO]2.0.CO;2
dc.language.iso en_US en_US
dc.publisher National Shellfisheries Association en_US
dc.subject East Pacific Rise en_US
dc.subject Gastropod en_US
dc.subject Reproduction en_US
dc.subject Gametogenesis en_US
dc.subject Hydrothermal vent en_US
dc.subject Mid-Atlantic Ridge en_US
dc.title Reproduction of gastropods from vents on the East Pacific Rise and the Mid-Atlantic Ridge en_US
dc.type Article en_US
dspace.entity.type Publication
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