Axolotls are critically endangered in the wild while thriving as pets, creating complex welfare and conservation considerations.
Axolotls present a unique case where captive populations vastly outnumber wild animals. The wild population is critically endangered due to habitat loss and invasive species introduction in Lake Xochimilco. Captive axolotls have complex welfare needs including cold water temperatures, good water quality, appropriate substrate, and diet that many pet owners do not provide. Inadequate care leads to fungal infections, metabolic bone disease, and early death. The conservation value of captive populations is debated, but the welfare of individual captive animals requires proper care regardless.