Anguillarum 鰻鱺
(B)leech 水蛭
https://www.rcseng.ac.uk/library-and-publications/library/blog/why-you-should-love-a-leech/
69.罹病鰻魚,臨床症狀出現攝食量減少伴隨少量死亡,剖檢肉眼病變可在鰾部見到蟲體..-阿摩線上測驗