Did you actually /con the fish? I think the Rodcet-Nife-in-fish-form koalindl is at least level 50.
Ah, here it is. Read ‘em and weep.
http://wiki.project1999.com/Koalindl_(Rodect_Nife)
I think you got lucky his first hit was only for 3. Rodcet Nife was having mercy upon you.