Species profile
Ambystoma mexicanum
Axolotl
CR · Critically Endangered — Critically Endangered — extreme risk of extinction in the wild
About this species
Axolotl (Ambystoma mexicanum) is part of the curated SpeciesWatch catalogue and is classified as Critically Endangered. The axolotl never grows up: it keeps its larval gills and aquatic lifestyle for life, a trait called neoteny. Its recorded population direction is decreasing, so the category needs to be read alongside continuing losses of individuals or local populations.
Habitat, behaviour and ecological role
This profile associates the species with freshwater. These labels summarise environments used during different stages of its life rather than drawing an exact range boundary. It can regrow entire limbs, its spinal cord and even parts of its heart and brain without scarring — making it a star of regeneration research. Its anatomy and behaviour are responses to those environments, while movement can connect distant places requiring different forms of management.
Why this species is at risk
Wild axolotls survive only in the canals of Xochimilco near Mexico City, where they were sacred to the Aztecs; the species is named after Xolotl, the Aztec god of fire and lightning. The catalogue records 4 principal pressures for this profile: Habitat loss, Pollution, Invasive species, Illegal trade. They should not be treated as isolated causes. Habitat change, exploitation, pollution, disease and climate stress can reinforce one another, while the importance of each pressure varies between regions and through time.
Conservation outlook
Protecting and reconnecting habitat is a priority, together with infrastructure planning that keeps feeding, breeding or migration routes functional. Direct protection needs to combine enforcement with conflict prevention, demand reduction and local benefits that make coexistence viable. Biosecurity, health surveillance and careful management of small populations help contain risks that can spread rapidly. Actions need long-term monitoring and revision as evidence changes; a positive intervention in one place does not by itself represent recovery across the species.
Editorial review: 2026-08-21
Threat factors
Known occurrences
Dots are georeferenced occurrence records from OBIS (marine) and GBIF (global), not individual animals and not a complete range map. Up to 500 recent API results are cached; the profile renders at most 500 points.
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Stories connected to this species
Editorial context connecting this profile to climate, habitat and human activity.