Possessing hidden, reduced, or concealed gills, describing certain amphibians like the hellbender.
From 'cryptobranchia' with the adjectival suffix '-ate'. This descriptive term was established in 19th-century zoological literature to classify amphibians based on their gill morphology.
When a scientist says an animal is 'cryptobranchiate,' they're basically saying 'this creature has sneaky gills you can barely see.' It's the biological equivalent of describing a spy—hidden in plain sight.
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