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Gammarus fasciatus is a species of amphipods in the family scuds. They are associated with freshwater habitat. They are native to The Nearctic. They are solitary, nocturnal herbivores. They have parental care (female provides care). They rely on drag powered swimming and swimming to move around.

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  • URI: https://eol.org/schema/terms/drag_based_swimming
  • Definition: Drag swimmers use a cyclic motion where they push water back in a power stroke, and return their limb forward in the return or recovery stroke. When they push water directly backwards, this moves their body forward, but as they return their limbs to the starting position, they push water forward, which will thus pull them back to some degree, and so opposes the direction that the body is heading. This opposing force is called drag. The return-stroke drag causes drag swimmers to employ different strategies than lift swimmers. Reducing drag on the return stroke is essential for optimizing efficiency.
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EOL has data for 20 attributes, including:

Known occurrences, collected specimens and observations of Gammarus fasciatus Say 1818. View this species on GBIF