Amphibians are facing a mass extinction crisis driven by chytrid fungus, habitat loss, and climate change. Their welfare and conservation are intertwined challenges.
Wild amphibian welfare in the context of chytridiomycosis involves individual suffering at enormous scale. Infected frogs and salamanders die through a physiological process — progressive electrolyte disruption — that causes weakness, loss of coordination, and eventual cardiac failure over days to weeks. The scale of mortality from chytrid — contributing to population collapses affecting hundreds of species on multiple continents — represents one of the largest welfare disasters in the history of vertebrate life. Captive assurance colonies that preserve animals from extinction provide conservation function but involve their own welfare considerations — amphibians in confined captive conditions require careful management of temperature, humidity, and disease.