Could whales and dolphins and sharks live in the Caspian Sea?

[Anonymous]

Could whales and dolphins and sharks live in the Caspian Sea?

I think it would be really cool to put some there because it is landlocked.

[Anonymous]

There have been a claim that at least dolphins and porpoises were in Caspian Sea until unknown era. Fossils of whales have been discovered as well.

[charlotte_londyn]

I don't know if they could, but that'd be really cool to put some there. Wow that sounds really fun...haha take me with you:D

[This_is_a_complement]

Awesome random question... I don't think so.. but I am not sure...