alkaliphile

noun

living organism that likes alkaline conditions

Wiktionary

noun

Etymology: Etymology tree English alkali Proto-Indo-European *bʰil-o-s Ancient Greek φίλος (phílos)bor. Latin -philalbor. English -phile English alkaliphile From alkali + -phile.

Any organism that lives and thrives in an alkaline environment, such as a soda lake.