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Verhaltenweisen der Rippenqualle Pleurobrachia pileus (Ctenoophora)
Greve, W. (1976). Verhaltenweisen der Rippenqualle Pleurobrachia pileus (Ctenoophora). Publikationen zu Wissenschaftlichen Film Göttingen 9(1): 45-52
In: Publikationen zu Wissenschaftlichen Film Göttingen. Institut für den Wissenschaftlichen Film: Göttingen, more

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Keyword
    Marine

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Abstract
    The film begins by showing the comb jelly Pleurobrachia pileus as it drifts in the water. The tentacles are outstretched. Next Comes the spreading out of the nets into fishing positions and the capture of the prey. Thereby is shown the individual response phases, that is, the whipping action of the tentacles, the rolling of the body into the tentacles, the ciliary action which brings the prey into the mouth and the spreading out again of the tentacles into a fishing position. The end of the first part of the film on capturebehaviour contains two points which demonstrate how the tentacles are able to be controlled independently of one another. In the second part of the film the response of a Pleurobrachia pdeus to an external stimulus is sholm. The fleeing response due to high temperature includes a good example of the reverse-swimming movements of Pleurobrachia pileus. Other frames of the film show the reaction of Pleurobrachia pileus to two enemies: Cyanea capillata and Beroe gracilis.

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