Figure 1

Trawl stations from which infected fish hosts were obtained. Positions: station (st.) 4601: 17.969 N, 23.956 W; st. 4604: 26.899 N, 19.232 W; st. 4606: 29.767 N, 16.087 W; st. 4610: 33.695 N, 13.232 W. Figure 1 was created using R version 4.95 (2021–03-31) (https://www.r-project.org/) implemented in RStudio 1.4.1106 (https://www.rstudio.com/) using.