Fish that live in oceans.

the movement of saline water into freshwater aquifers, which can lead to groundwater quality degradation, including drinking water sources, and other consequences.

A very large aquatic carnivorous crocodile (Crocodylus porosus), from Australia and South-East Asia

Chewy candy made from saltwater.

A potassium-based soap for use with seawater.

In economics, the freshwater school (or sometimes sweetwater school) comprises US-based macroeconomists who, in the early 1970s, challenged the prevailing consensus in macroeconomics research.