From TikTok to McDonald’s Happy Meals, Mexico’s ancient axolotl is everywhere, except where it is supposed to be—in the wild.

For beginners, Jeffers recommends a 5-gallon freshwater tank, which can often hold one betta fish, for example. For someone ...

Through the glass of a fish tank, where academic institutions preserve them and hatcheries put them up for sale, axolotl are hard ... in length and are easy pets to look after, Vergara said.

But urban sprawl, contaminated water and non-native fish that like to eat young axolotls have led to the salamander’s near-total collapse, according to population surveys. The axolotl is not the ...

Through the glass of a fish tank, where academic institutions preserve them and hatcheries put them up for sale, axolotl are hard ... in length and are easy pets to look after, Vergara said.

The big problem is that the nun’s species of axolotl only lives in nearby Lake Patzcuaro and it has been pushed to the edge of extinction because of pollution and introduced fish species.