Detailed practical, scientific, and photographic information about the Axolotl (Ambystoma mexicanum), the Mexican Salamander. Also covers Tiger Salamanders.

The diagram on the right is a summary of the development of the Axolotl, from egg to adult. The red line below each animal represents roughly 2 mm. The egg (stage 1) is typically amphibian. It comprises …

The axolotl is an endangered species in the wild, but vast numbers are bred in captivity each year for scientific research and the pet trade. As long as you acquired your axolotl in your own country from a …

You can see the huge variety of axolotl colour variations in Caudata.org's User Photo Gallery. Keep your eyes open for unusually coloured axolotls that don't match the descriptions here.

Output from a filter can cause significant flow and this is perhaps the most common cause of stress in axolotls. Excessive water flow will, sooner or later, lead to disease. The photos below depict an …

A female axolotl can lay in excess of 1000 eggs. Producing so many eggs is a strain on the animal's metabolism, and the body prioritises production of eggs over body growth while the animal is in …

This golden albino's forward-turned gills are typical of an axolotl stressed by flowing water. A curled tail end is a sure sign of a stressed axolotl. Please note well: Aquarium fish remedies can be toxic to …

Finding axolotl eggs, or seeing a female spawning, often occurs when we least expect it, or at least not quite on the day we expect. It's always a good idea to keep an eye out for old spermatophores in the …

When an axolotl wants to eat something, it opens its mouth suddenly and water rushes in, along with the food or anything else around (such as parts of other axolotls, or pieces of gravel).

An axolotl that metamorphoses prior to when it begins to reach sexual maturity will usually lead a somewhat normal life. It will eat the same food and behave in a similar manner to the Tiger …