Crangonyx pseudogracilis
Description
This amphipod shrimp is of bluish-white colour, has well developed black eyes and a length of 4 to 7 mm. It can be recognised by its distinctive locomotory behaviour as unlike other amphipods, it does not crawl on its side but walks upright like a talitroid.
Habitat
Habitats include lakes, permanent and temporary ponds, rivers, streams etc. It often occupies the most polluted areas of a river where no native freshwater shrimp can be found.
When to see it
All year round.
UK Status
Widespread in much of Britain, though not well recorded in the far north.
VC55 Status
Status in Leicestershire and Rutland not known.
Leicestershire & Rutland Map
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