Reproductive response of Calanus helgolandicus. I. Abnormal embryonic and naupliar development

Abstract

Anomalies followed ingestion of diatoms by females which led to erroneous synchronization between nuclear division and cytokinesis, with malformation of the cellular membrane between daughter cells during mitosis. Similar types of cellular anomalies and morphological deformities, reported for the first time in the embryonic and naupliar stages of the copepod C. helgolandicus, were observed both in the laboratory and in situ. -from Authors