axolotl salamander on gravel bottom, active freshwater domesticated amphibian, endemic of valley of mexico, tender coldwater

active ambystoma ambystomatidae amphibian animal aqua aquadesign aquarium aquatic axolotl background biotic biotope blur blurred bottom carnivorous chalco clear closeup coldwater conditions controlled deathly decorative domesticated driftwood ecology ecosystem endangered endemic fauna fish fishkeeping free freshwater gill gravel herpetoculture hobby juvenile lake leucistic light low metamorphosis mexicanum mexico model mood nano natural nature organism paedomorphic pair pet popular predator rare regenerate salamander sale sand shop space species tail tank temperate tender threat underwater unusual valley water wildlife xochimilco young