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Aspects of the life cycle of marine nematodes

Aspekte des Lebenszyklus mariner Nematoden

Helgoländer wissenschaftliche Meeresuntersuchungen volume 13, pages 444–449 (1966)Cite this article

Kurzfassung

Bei einigen marinen Nematoden, die in Biscayne Bay (Florida) gesammelt und im Labor gezüchtet worden sind, vollzieht sich der gesamte Lebenszyklus ungefähr innerhalb eines Monats. BeiAcanthonchus cobbi, Chromadora macrolaimoides undEuchromadora gaulica ist zweigeschlechtliche Fortpflanzung festgestellt worden.Monohystera parelegantula vermehrt sich parthenogenetisch. Ein möglicherweise durch Umwelteinflüsse bedingter Wechsel von bisexueller und parthenogenetischer Fortpflanzung tritt beiChromadora epidemos undViscosia macramphida auf.

Summary

1. Life cycles of approximately one month are recorded for laboratory maintained cultures of chromadorid, monhysterid and oncholaimid nematodes.

2. Amphimictic and parthenogenetic reproduction occurs in the species investigated. Reproduction inMonhystera parelegantula is by parthenogenesis.

3. The chromadoridChromadorina epidemos and the oncholaimidViscosia macramphida are able to reproduce by either amphimixis or parthenogenesis.

4.Acanthonchus cobbi, Chromadora macrolaimoides andEuchromadora gaulica are amphimitically reproducing species.

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Authors and Affiliations

  1. Entomology Research Institute, Canada Department of Agriculture, Ottawa, Canada

    Bruce E. Hopper & Samuel P. Meyers

  2. Institute of Marine Science, University of Miami, Florida, USA

    Bruce E. Hopper & Samuel P. Meyers

Authors
  1. Bruce E. Hopper
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  2. Samuel P. Meyers
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Hopper, B.E., Meyers, S.P. Aspects of the life cycle of marine nematodes. Helgolander Wiss. Meeresunters 13, 444–449 (1966). https://doi.org/10.1007/BF01611961

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  • DOI: https://doi.org/10.1007/BF01611961

Keywords

Helgoland Marine Research

ISSN: 1438-3888

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