The story
So called because it is larger as a tadpole than as an adult frog.
Etymology from Wiktionary, CC BY-SA 4.0.
paradoxical frog
pa·ra·dox·ic·al frogToday it means: Pseudis paradoxa, a species of frog unusual because it is larger as a tadpole (up to 25 cm or 10 in. long) than as an adult (about a quarter of that length). Full definition →