Callinectes sapidus gravid female caught near the City of Chornomorsk, Ukraine. Photographs by Yuriy Kvach.

 
 
  Part of: Kvach Y, Gabrielczak H, Lepekha A, Son MO, Khutornoi S (2025) The Chesapeake blue crab, Callinectes sapidus Rathbun, 1896: new finding, origin, and further spread in the Ukrainian part of the Black Sea. Aquatic Invasions 20(2): 199-214. https://doi.org/10.3391/ai.2025.20.2.154614