The Population Characteristics of the Copepod Calanus euxinus Hulsemann, 1991 off the Crimea Coast (Black Sea)
Journal: Russian Journal of Marine Biology
Year: 2025

The abundance, biomass, and size–age structure of the population, as well as the reserve lipid content in copepodites V, males, and females of the cold-water copepod Calanus euxinus Hulsemann, 1991, were estimated based on the field material collected in October 2022 in the deep-sea and shelf areas of the Black Sea off the Crimean Peninsula. It was found that in October 2022 the average abundance and biomass of C. euxinus (8600 ± 1200 ind./m2 and 6.5 ± 0.8 g/m2, respectively) in the open sea are