Creatures of FASA

FASA 365 Day 148 Blue Whale Alligator, 50-100 ft. Carnivor, No teeth.
There is a fine mesh of razor sharp tendons within the mouth which “shreds” its prey. These tendons also act as netting. Effectively filtering the bone and larger, tougher, chunks of material. Which is subsequently spat out to fall to the river bottom.