User blog comment:Fishrus/Spine eel hostile behavior/@comment-30496736-20160418165901/@comment-28224627-20160418230908

Yes, but what explains the odd "whipping" behavior on warpers? And I do recall in the update history it adding a "lost river bone shark" which I presume is the spine eel.

edit: forgot to mention crabsquids, so warpers and crabsquids