798. Pelster, B, Wood, C.M., and Val., A.L. (2025). Oxygen consumption from air and water, ammonia and urea-N excretion, and Na⁺ fluxes during progressive aquatic hypoxia in Amazonian armoured catfish Pterygoplichthys gibbiceps and Pterygoplichthys pardalis. J. Fish Biol. DOI: 10.1111/jfb.70012.PDF