Relating to or characteristic of Gastrotheca frogs or their distinctive abdominal brood pouch.
From 'gastrotheca' (a genus of frogs) + '-al' (adjective-forming suffix). The suffix '-al' transforms the genus name into an adjective describing features of the genus.
The gastrothecal pouch is lined with blood vessels that exchange oxygen and nutrients with developing tadpoles—it's basically a biological incubator that lets frogs reproduce in areas without reliable water bodies!
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