Gammarus locusta (Linnaeus, 1758)
Locust amphipod - Sprinkhaanvlokreeft
Kattendijke, 19-11-2016. In vitro photo specimen A, L: 20 mm, 26-11-2016.*Slikken van Flakkee, the Netherlands, 22-6-2022. On Bryopsis plumosa (Evenly branched mossy feather weed - Vederwier).
* Identification by Marco Faasse (3-3-2017): "Probably G. locusta".