I don't get ppls facination with underwater themes.
I don't see it happening due to- WATER!! what, are you gonna walk around on the bottom of the sea?
They won't even entertain gender options due to massive re-animations clogging up data.
Animals swimming in full plate armor?!??
Fire balls underwater?!?
Swimming bald eagles ?!??
O.o

But some spongebob fan would love to see a squirrel underwater I guess :/