'Bottom Of The Sea' in the Bible

He scatters his lightning above it, and covers the bottom of the sea.

"But now it's your time to be wrecked at the bottom of the sea! Your products and your workers have sunk, and so have you!

"If anyone causes one of these little ones who believe in me to sin, it would be better for him if a large millstone were hung around his neck and he were drowned at the bottom of the sea.