Jane Burton / Axolotl {Siredon / Ambystoma mexicanum} albino, captive.

John Cancalosi / Axolotl / Mexican salamander (Ambystoma mexicanum), white or leucistic form, critically endangered in the wild, captive, native to Mexico

Stephen Dalton / Mexican axolotl {Ambystoma mexicanum} albino, controlled conditions

Stephen Dalton / Mexican axolotl (Ambystoma mexicanus) albino, portrait, controlled conditions

Nature Production / Mexico Salamander / Axolotl {Ambystoma mexicanum} captive

John Cancalosi / Axolotl / Mexican salamander (Ambystoma mexicanum), white or leucistic form, critically endangered in the wild, captive, native to Mexico

John Cancalosi / Axolotl / Mexican salamander (Ambystoma mexicanum), melanistic form, critically endangered in the wild, captive, native to Mexico

John Cancalosi / Axolotl / Mexican salamander (Ambystoma mexicanum), melanistic form, critically endangered in the wild, captive, native to Mexico

John Cancalosi / Axolotl / Mexican salamander (Ambystoma mexicanum), melanistic form, critically endangered in the wild, captive, native to Mexico

John Cancalosi / Axolotl / Mexican salamander (Ambystoma mexicanum), white or leucistic form, critically endangered in the wild, captive, native to Mexico

John Cancalosi / Axolotl / Mexican salamander (Ambystoma mexicanum), white or leucistic form, critically endangered in the wild, captive, native to Mexico

John Cancalosi / Axolotl / Mexican salamander (Ambystoma mexicanum), white or leucistic form, critically endangered in the wild, captive, native to Mexico

Chris Mattison / Axolotl (Ambystoma mexicanum) against white background. Captive. Endemic to Central America.

Pete Oxford / Mexican axolotl (Ambystoma mexicanum) Albino, captive, Critically endangered

Pete Oxford / Larva of the Mexican axolotl (Ambystoma mexicanum) swimming, captive, critically endangered

Pete Oxford / Mexican Axolotl (Ambystoma mexicanum) neotenic adult, native to Mexico

Pete Oxford / Mexican Axolotl (Ambystoma mexicanum) neotenic adult, native to Mexico

Pete Oxford / Mexican Axolotl (Ambystoma mexicanum) neotenic adult, native to Mexico

Pete Oxford / Mexican Axolotl (Ambystoma mexicanum) larva on day seventeen of development, native to Mexico, sequence 13/13

Pete Oxford / Mexican Axolotl (Ambystoma mexicanum) leucistic neotenic sub-adult, native to Mexico

Pete Oxford / Mexican Axolotl (Ambystoma mexicanum) larva on day fourteen of development, native to Mexico, sequence 12/13

Pete Oxford / Mexican Axolotl (Ambystoma mexicanum) egg on day nine of development, native to Mexico, sequence 6/13

Pete Oxford / Mexican Axolotl (Ambystoma mexicanum) egg on day seven of development, native to Mexico, sequence 5/13

Pete Oxford / Mexican Axolotl (Ambystoma mexicanum) egg on day six of development, native to Mexico, sequence 4/13

Pete Oxford / Mexican Axolotl (Ambystoma mexicanum) egg on day five of development, native to Mexico, sequence 3/13

Pete Oxford / Mexican Axolotl (Ambystoma mexicanum) egg on day thirteen of development, native to Mexico, sequence 11/13

Pete Oxford / Mexican Axolotl (Ambystoma mexicanum) egg on day twelve of development, native to Mexico, sequence 10/13

Pete Oxford / Mexican Axolotl (Ambystoma mexicanum) egg on day eleven of development, native to Mexico, sequence 9/13

Pete Oxford / Mexican Axolotl (Ambystoma mexicanum) egg on day eleven of development, native to Mexico, sequence 8/13

Pete Oxford / Mexican Axolotl (Ambystoma mexicanum) egg on day ten of development, native to Mexico, sequence 7/13

Pete Oxford / Mexican Axolotl (Ambystoma mexicanum) eggs on day one of development, native to Mexico, sequence 2/13

Pete Oxford / Mexican Axolotl (Ambystoma mexicanum) eggs on day one of development, native to Mexico, sequence 1/13

Stephen Dalton / Mexican axolotyl {Ambystoma mexicanum} albino, swimming underwater, controlled conditions

Stephen Dalton / Mexican axolotyl {Ambystoma mexicanum} albino, underwater, controlled conditions

Stephen Dalton / Mexican axolotl (Ambystoma mexicanus) albino, portrait, controlled conditions

Nick Barwick / Axolotl showing gills, kept as pet (Ambystoma mexicanum) captive

Tony Phelps / Axolotl {Ambystoma mexicanum} captive.

Kim Taylor / Axolotl egg about to hatch {Ambystoma mexicanum}

Jane Burton / Axolotl {Siredon / Ambystoma mexicanum} albino. UK, captive. *NOT AVAILABLE for use on travel and tourism advertising (all media) until September 2012*

Nick Barwick / Axolotl (Ambystoma mexicanum) showing gills, captive, kept as pet, critically endangered