What Was the Solidity Level of the Great Flood?

Aquatic plants and animals are specialized for the type of water that they live in. They need a certain level of solidity or saltiness in the water, whether it's high or low. Fresh water plants and animals can't live in the ocean, which is too salty for them. As a result, we either shouldn't have fresh water plants andAnimals to day, or we shouldn't have salt water s or we shouldn’t have both.