Amazonian blackwaters are acidic and physiologically-challenging, but are one of Earth’s most diversified ecosystems. This study revealed that fish survival in these hostile habitats depends on the colonization of their gills by endogenous blackwater Betaproteobacteria, with the potential to regulate host ionoregulatory processes.
- Sylvain François-Étienne
- Leroux Nicolas
- Derome Nicolas
