Axolotls were added to the Caves and Cliffs update, and since then, players have been hard at work attempting to breed the rarest kind - the blue axolotl. These mobs have a 1/1200 chance of spawning.

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 ...