World Amphipoda Database - Gammarus pulex (Linnaeus, 1758)
Gammarus Pulex
common freshwater shrimp or Gammarus pulex
Najpozoruhodnejší spevavec – vodnár potočný
Gammarus pulex (Linnaeus, 1758) - A gammarid amphipod (Amphipod images)
Gammarus - Wikipedia
The duration of channel drying affects survival of Gammarus pulex (Amphipoda: Gammaridae) within subsurface sediments: an experimental flume study | SpringerLink
Gammarus pulex (Linnaeus, 1758) -- Discover Life
Mouthpart Morphology of Three Sympatric Native and Nonnative Gammaridean Species: Gammarus pulex, G. fossarum, and Echinogammarus berilloni (Crustacea: Amphipoda)