Do Dolphins Recognize Theirself in the Mirror?

A mammal's ability to understand that something else has a mind, and how do you measure that in one of the ways? Can it recognize itself in a mirror and know that it's it in the mirror? And so like, dolphins can like, notice themselves in the mirror. But because of the small size of its brain, they didn't think at it would be able to recognize itself in the Mirror. Once you can, once you now have, think of a mirror as a tool,. You can sit and you can stare and you can tweak these things in yo, about your hair. That used to be this honest indicator... Now i could extend this and just say cosmetics, generally speaking