It depends on how well they do in school.
When I was in high school Nirvana taught me fishes don’t have feelings…
Who/what is Nirvana?
This is a really good article on the limits of the mark test for self awareness. Only primates, dolphins, magpies, and elephants have passed it. The face that these specific fish can pass it does not demonstrate they are self aware, but throws the test into question.
Nirvana - Something in the Way