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Obelia sp. Helgoland 2011

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Obelia sp. Helgoland 2011
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170
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CC Attribution 3.0 Germany:
You are free to use, adapt and copy, distribute and transmit the work or content in adapted or unchanged form for any legal purpose as long as the work is attributed to the author in the manner specified by the author or licensor.
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Production Year2011
Production PlaceHelgoland

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Abstract
Obelia sp. (Cnidaria, Hydrozoa, Leptomedusae, Campanulariidae), diameter 1.7 mm, Helgoland 08.2011. 1:04 min. Medusae of Obelia are common in samples taken near the shore. They hatch from a gonangium with a diameter (with tentacles) of about 600 µm. In this specimen the gonads are developing. Video can be used for teaching.
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