Assertion: manta ray | /r/HasAspect | the largest brain of all fish
Facets:
Source sentences:
text: In a recent study, scientists found that manta rays, which have the largest brain of all fish, show signs of recognizing themselves in the mirror and may be self-aware.– WTF Fun Facts
text: Mantas might seem like unlikely animals to exhibit such intelligent behavior, but they actually have the largest brains among fish.
text: Manta rays have the largest brain of all fish based on the size of their bodies, and are probably smarter than you think.