brown European hydra (Hydra vulgaris), on submerged grass, long tentacles, Germany

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Photo credit: © blickwinkel / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., animal, animals, brown, europe, european, fauna, format, fresh, german, germany, hartl, horizontal, hydras, hydridae, hydrozoa, limnic, limnology, nature, polyp, polyps, stage, stages, underwater, water, waters, wildlife, world