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Daily activity pattern ofAstropecten aranciacus (Echinodermata: Asteroidea) and two related species under natural conditions

Helgoländer wissenschaftliche Meeresuntersuchungen volume 31, pages 117–127 (1978)Cite this article

Abstract

Daily activity patterns ofAstropecten aranciacus, A. bispinosus andA. jonstoni were investigated by means of SCUBA diving. The three species generally showed two peaks of activity, at dawn and dusk. However, the activity pattern was variable, depending upon site, depth and season. Two populations ofA. aranciacus showed only one daily peak at certain times of the year. These peaks were at night in one case, at noon in the other. Light appears to be an important factor governing the activity pattern.

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Authors and Affiliations

  1. Zoological Museum, University of Zürich, Künstlergasse 16, CH-8006, Zürich, Switzerland

    V. Ferlin-Lubini & G. Ribi

Authors
  1. V. Ferlin-Lubini
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  2. G. Ribi
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Ferlin-Lubini, V., Ribi, G. Daily activity pattern ofAstropecten aranciacus (Echinodermata: Asteroidea) and two related species under natural conditions. Helgolander Wiss. Meeresunters 31, 117–127 (1978). https://doi.org/10.1007/BF02296993

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  • DOI: https://doi.org/10.1007/BF02296993

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Helgoland Marine Research

ISSN: 1438-3888

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