User blog comment:Adsper/All Possible Mobs/@comment-2605:A000:A487:4C00:25E5:93F7:F4B8:5C55-20180702151311/@comment-35476439-20180703172028

there are 2 megalodons; the shark that everyone knows, and the clam that barely anyone knows.

I didn't beleive it at first either, but after a quick google search for "megalodon clam" there it was.