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Scytaliopsis djiboutiensis (Anthozoa) - Passive Filtration im Biotop (Freiwasseraufnahmen)


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Title Scytaliopsis djiboutiensis (Anthozoa) - Passive Filtration im Biotop (Freiwasseraufnahmen)
Alternative Title Scytaliopsis djiboutiensis (Anthozoa) - Acquisition of Food by Passive Filtration (Free Water Shots)
Author Magnus, Dietrich B. E.
License CC Attribution - NonCommercial - NoDerivatives 3.0 Germany:
You are free to use, copy, distribute and transmit the work or content in unchanged form for any legal and non-commercial purpose as long as the work is attributed to the author in the manner specified by the author or licensor.
DOI 10.3203/IWF/E-2468
IWF Signature E 2468
Publisher IWF (Göttingen)
Release Date 1980
Language Silent film
Producer Magnus, Dietrich B. E.
Production Year 1968

Technical Metadata

IWF Technical Data Film, 16 mm, 30 m ; F, 3 min

Content Metadata

Subject Area Life Sciences
Abstract Seefeder. Nächtlicher Nahrungserwerb durch Filtration im Flachwasser unterhalb der Spring-Niedrigwasser-Grenze. Die im Grobsediment stehenden Kolonien zeigen strömungsbedingtes Schwanken und tordieren um die Längsachse.
The film shows several stocks of the nightactive seafeather Scytaliapsis djiboutiensis in their natural habitat about 2 meters deep on sediment bottom in the shallow water of the Red Sea. The film was made using underwater light on several nights and during different current intensities. The seafeathers, which can be turned around on their flexible stems, adjust passively transverse to the direction of the current. They maintain this position even against the oscillation of the water caused by waves and bend backwards and forwards with the direction of the oscillating current. Circular currents cause torsions of the stocks.
Keywords Seefeder
Scytaliopsis djiboutiensis
Nahrungserwerb / Coelenterata
acquisition of food / Coelenterata
filtration of food
food filtration
Scytaliopsis djiboutiensis
sea pen
sea feather

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