A misleading silhouetteSourced
A snake-like amphibian with no lungs
Atretochoana is a long, limbless amphibian rather than a snake. It entirely lacks lungs. Capillaries in its skin allow gas exchange, but its breathing remains incompletely understood.
Shape alone does not reveal how an animal lives.
Summary / translation: Unbubly · CC BY-SA 4.0
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Atretochoana · Wikimedia contributors
Adapted, summarized and translated from the source. Adapted text is also available under CC BY-SA 4.0.
Reviewed: 2026-10-10