TIL that contrary to their image as gentle filter-feeders of plankton, manta rays are likely to be predators of the deep User Iamnotburgerking, in the Today I Learned (TIL) subreddit, 07 Oct 2017
New research shows that giant manta rays, known only to consume plankton near the ocean surface, are far more predatory than we thought, swimming to extreme depths to catch their prey. User NinjaDiscoJesus, in the Reddit Science subreddit, 07 Dec 2016