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Morphology and Reproduction of Hydrozoa

Formal Metadata

Title
Morphology and Reproduction of Hydrozoa
Alternative Title
Bau und Fortpflanzung der Hydrozoa
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.
This film contains music to which the collecting society GEMA holds the rights.
Identifiers
IWF SignatureC 1687
Publisher
Release Date
Language
Other Version
Producer
Production Year1989

Technical Metadata

IWF Technical DataFilm, 16 mm, LT, 186 m ; F, 17 1/2 min

Content Metadata

Subject Area
Genre
Abstract
Demarcation of the Hydrozoa from the Anthozoa, Scyphozoa and Cubozoa. Morphology of the hydroid polyps, vegetative reproduction, division of labor (tentacular, defense, nutritive and reproductive polyps), medusa formation (metagenesis), sexual reproduction, reduction of the medusa generation. Species shown: Leuckartiara, Gonothyrea, Clava, Coryne, Cladonema, Eirene, Hydra, Gonionemus, Thecocodium, Aglaophenia, Hydractinia, Rathkea. With time-lapse cinematography.
Keywords
IWF Classification