I know that Mojang said that they won't be adding sharks because of their bad rep, but if you think about they could use the mob to help with shark conservation efforts, kids that play the game will see that sharks are in danger, and it could be used for the education of sharks. they don't have to attack you they can be like polar bears or just straight-up passive mobs, it could really help the dwindling shark population. I love sharks since I was 5 but eventually, they will be no more and our future generations won't be able to see these beautiful animals, think about it. If you want to help sharks you can go to https://www.sharktrust.org/shark-conservation to donate that's the one I donate to, there is more you can find but that's the biggest one. thank you.