CRITICALLY ENDANGERED SPECIES: Unique axolotl salamanders face extinction
The axolotl (Ambystoma mexicanum), a type of salamander, is a critically endangered amphibian endemic to central Mexico. This species is a “paedomorphic species, living permanently in water, and does not undergo complete metamorphosis,” so the gills are retained into its adult life. The axolotl is declining due to competition, disease transmission, and predation from introduced species, in addition to overfishing, pollution, and urbanization. Captive populations do exist, since “the species is used in physiological and biomedical research, as well as in the pet trade, but the re-introduction of captive-bred axolotls is not recommended until threats can be mitigated, and disease and genetic risks to the wild populations assessed.” From the Dallas Morning News, TX:
The axolotl, also known as the “water monster” and the “Mexican walking fish,” is a key part of Aztec legend and diet. Against all odds, it survived amid Mexico City’s urban sprawl in the polluted canals of Lake Xochimilco.
But scientists are racing to save the foot-long salamander from extinction, a victim of the draining of its lake habitat and deteriorating water quality. And nonnative fish introduced into the canals are eating its lunch and its babies.
Researchers say the axolotl could disappear in five years.
“If the axolotl disappears, it would not only be a great loss to biodiversity but to Mexican culture, and would reflect the degeneration of a once-great lake system,” biologist Luis Zambrano said.
The number of axolotls (pronounced ACK-suh-LAH-tuhl) is not known. But the population has dropped from roughly 1,500 per square mile in 1998 to a mere 25 per square mile, according to a survey using casting nets.
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Can you post more pictures and add images of the axolotls? It would be greatly appreciated.
Hi,
I am doing a 6th grade endangerd species project on the axolotl and for part of it I have to e-mail a expert. I was wondering if you could send me some things you know about the axolotl.