Which amphibian is known for the most extreme skin breathing?
Quick Answer
The olm is one of the most extreme skin-breathing amphibians, relying heavily on cutaneous respiration. Its cave lifestyle makes skin and gills especially important for gas exchange.
The Full Story
The olm, Proteus anguinus, is a striking example of an amphibian that depends heavily on skin breathing. In dark cave waters, it has reduced eyes and a pale body, while its skin and external gills play a major role in respiration. Cutaneous respiration is common in amphibians, but the olm is especially specialized for it. This adaptation helps it survive in low-energy underground ecosystems where food and oxygen may be limited.
Key Facts
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"The cave animal that breathes through its skin"
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