🦎 Axolotls (Mexican Walking Fish)

Axolotls are one of the most fascinating amphibians in the world—and a favorite for education programs like yours. Here’s a clear, science-accurate overview you can use for talks, handouts, or quick explanations.

What is an Axolotl?

The Axolotl is a neotenic salamander, meaning it keeps its juvenile traits (like external gills) for its entire life instead of metamorphosing into a land animal.

Where Are They From?

  • Native only to Lake Xochimilco

  • Critically endangered in the wild due to habitat loss, pollution, and invasive fish

Key Features

  • 🌸 External feathery gills

  • 🧬 Incredible regeneration (can regrow limbs, spinal cord, parts of the heart and brain)

  • 🐟 Fully aquatic for life

  • 😮 Permanently “smiling” appearance

Axolotl Colors (Morphs)

  • Wild type (dark with speckles)

  • Leucistic (pink with black eyes)

  • Albino / Golden albino

  • Melanoid

  • Copper
    (Color morphs are from captive breeding, not wild populations)

Diet

  • Earthworms (best staple)

  • Soft sinking carnivore pellets

  • Blackworms, bloodworms (treats)

  • Small aquatic invertebrates

Basic Care Snapshot (Adult)

  • Temperature: 60–68°F (cool water is critical)

  • Tank: 20+ gallons per adult

  • Substrate: Bare bottom or large smooth stones (no gravel!)

  • Water: Clean, cycled, low flow

  • Lighting: Low

Fun Educational Facts 

  • Axolotls can regrow a leg over and over again

  • They breathe through gills, skin, and lungs

  • Their name comes from an Aztec god

  • They are not fish—they’re amphibians!

Conservation Message

Axolotls are:

  • ❌ Almost extinct in the wild

  • ✅ Thriving in captive breeding programs

  • 🔬 Important for medical and regeneration research