Axolotls are fully aquatic salamanders native to Lake Xochimilco in Mexico City — and they are genuinely strange animals. They spend their entire lives...
An axolotl hatches at about 1 cm. A year later, the same animal is likely somewhere between 18 and 26 cm and starting to...
Quick answer: fungus is almost always secondary to stress—fix the water first
White or grayish fluffy growth on an axolotl’s gills, body, or limbs is...
The short answer is usually no — but the longer answer is that “usually” depends on three specific failure modes that different fish fail...
Temperature is the single most critical environmental parameter in axolotl keeping. Axolotls are cold-water amphibians native to the high-altitude lake system of Xochimilco in...
Quick answer
Axolotl color morphs result from genetic variations in three types of pigment cells: melanophores (dark pigment), xanthophores (yellow pigment), and iridophores (reflective/shiny). The...
Substrate is the material covering the bottom of your axolotl's tank, and the wrong choice can kill the animal. Gravel is the single most...
Choosing the right tank size is one of the few decisions in axolotl keeping that cannot be corrected gradually. An undersized tank concentrates waste,...
Breeding axolotls is not difficult. Managing the output responsibly is. That sentence is the most important thing on this page, and it belongs at...
Quick Answer: The Priority Order (What Matters Most)
When something looks wrong with your axolotl - it’s behaving unusually, off its food, floating differently -...