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Obelia geniculata upscaled

Image of bell hydroid

Description:

Description: English: Obelia geniculata (Linnaeus, 1758), colony with 3 hydranths and 2 gonophores edited version of https://commons.wikimedia.org/wiki/File:Obelia_geniculata.jpg. Date: 13 September 2020. Source: Upscaled from https://commons.wikimedia.org/wiki/File:Obelia_geniculata.jpg using AI program and edited to remove artifacts from original. Author: Ernst Haeckel.

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