Tel Aviv University researchers have discovered that the Eilat sponge Theonella conica contains the bacterium, Entotheonella sp. This acts as a “detoxifying organ” converting poisons and metal pollutants into harmless minerals. It may lead to new water treatment solutions.

https://unitedwithisrael.org/new-bacteria-in-eilat-sponges-could-transform-water-purification/