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Sagitta sp. Helgoland 2020

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Sagitta sp. Helgoland 2020
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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 Year2020
Production PlaceHelgoland

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Abstract
Sagitta sp. (Chaetognatha, Sagittidae), length 3.3 mm, Helgoland 08.2020. 0:52 min. Chaetognatha are important members of the plankton foodweb as predators and food in a similar manner. The slender streamlined body moves fast, propelled by four longitudinal muscle bands, the prey is caught with two rows of grasping spines (chaetae, hooks). Video can be used for teaching.
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