Catch of European green crabs (Carcinus maenas) trapped from two monitoring programs in Willapa Bay Washington, USA in summer 2024. A. Washington Department of Fish and Wildlife (n = 27 per site) and B. Washington Sea Grant Crab Team (n = 36 per site). Boxplots show number of crabs per trap for each monthly sample based on site distance (km) from the estuary mouth.

  
 
  Part of: Garcia L, Ruesink JL, Suhrbier A, Beugli D, Flannery R, Parker L, Grason EW (2026) Field tests of trophic interactions between non-native European green crabs (Carcinus maenas) and non-native clams along an estuarine gradient. Aquatic Invasions 21(3): 167-184. https://doi.org/10.3391/ai.2025.21.3.203309