WARNING: while on my spino, I found some of these guys in shallow water. I decided to kill them for their bio toxin, and ran over with my powerful spino. It knocked me right off the saddle. Thank goodness it was shallow water. I swiftly killed these (I was level 96 with lots of melee upgraded). Also, they electrocute you while swimming, it makes you freeze in place, and then they kill you. Easiest way to kill: find some near shore. Swim out (only a little bit) wait for them to notice and start to come. Before they can reach you, swim back up to shore. They will be extremely close to shore, but make sure they’re close enough so you can still stand. Take a weapon (I used a pike) and stab them. Kill them, then harvest the, with your weapon, and enjoy the bio toxin. It’s literally all they drop.

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