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Schreckstoffwirkung bei der Elritze

Formal Metadata

Title
Schreckstoffwirkung bei der Elritze
Alternative Title
Alarm Substance Effect in the Minnow
Author
License
No Open Access License:
German copyright law applies. This film may be used for your own use but it may not be distributed via the internet or passed on to external parties.
Identifiers
IWF SignatureC 654
Publisher
Release Date1954
LanguageSilent film
Producer
Production Year1939

Technical Metadata

IWF Technical DataFilm, 16 mm, 57 m ; SW, 5 1/2 min

Content Metadata

Subject Area
Genre
Abstract
German
German
Reaktion eines Elritzenschwarms auf Nahrungsangebot. Fütterung mit zerkleinerten Regenwürmern, zerkleinerter Haut eines Flußbarsches und zerkleinerter Haut eines Artgenossen. Letztere bewirkt eine nachhaltige Schreckwirkung, ausgelöst durch einen Schreckstoff, der in der gesamten Körperhaut lokalisiert ist.
English
English
Reaction of a minnow shoal towards different food. Feeding with cut earthworms, cut skin of a perch and cut skin of a conspecific. The last induces a lasting fright effect, triggered by an alarm substance which is located in the whole skin.
Keywords
German
German
English
English
IWF Classification
German
German
English
English