It spawns exclusively in arctic ocean. It is found by a sunken ship and behind a stone barrier in the middle of pink jellyfish and by the angler nest. They spawn in groups of 3-4 so be wary of them if you're large and below.
Evil Megamouths require a XL or above shark to eat. They can kill a XS shark in one bite. They have the weakest jaws of all evil XL sharks but are the hardest XL shark to eat. They are dark brown in color and have scars and injuries on them and have blood dribbling down their mouth.
Evil Megamouth bite a player zombie shark
Megalodon attack a two golds evil megamouth sharks