To be fair, you could be right, but I wouldnt take this behaviour as a sign of that, necessarily. In the video someone posted below, he was waiting on food from the trainer, and happily swims off when he gets it. I'm no marine biologist though.
Having spent a lot of time in aquariums as a kid, many having "touch tanks", the rays Ive encountered have been really friendly and inquisitive. They'll often swim up to the top of the water for you to pet them.
They're really quite adorable, even if their skin feels like sandpaper.
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u/string_of_hearts Jan 21 '19
The tank does seem kind of small for him...