Observations on Spawning Behavior of Eupolymnia Nebulosa, and Comparisons with Lanice Conchilega (Annelida, Polychaeta, Terebellidae)
Abstract: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.
Document Type: Research Article
Publication date: September 1, 1989
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