Observations on Spawning Behavior of Eupolymnia Nebulosa, and Comparisons with Lanice Conchilega (Annelida, Polychaeta, Terebellidae)
Observations of the spawning behavior of the terebellid polychaete Eupolymnia nebulosa (Montagu) are reported and discussed in comparison with that of Lanice conchilega Pallas. Eupolymnia produces a mucoid egg mass attached to its tube, its larvae lack statocysts, and settle after at most a short planktonic life. Males and females showed synchrony in a spawning peak, but no pairing behavior nor interactive sexual behavior. In contrast, Lanice is a free spawner, its larvae possess statocysts, and pass an extended period planktonic in a mucoid tube before settling.
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Document Type: Research Article
Publication date: 1989-09-01
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