Tadpole? How could that be?

Doctoral student Earyn McGee, from the University of Arizona, found a weird "tadpole" sizing as large as a banana at a southwest research station (SWRS).

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According to the photo, the tadpole is extraordinarily large, which requires Earyn to pick it using both hands while its tail is as thick as the fishes'. 

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Earyn and the researchers call this 17cm-long tadpole "Goliath" and place it in the lab under their observation.

The team believed that Goliath was affected by imbalanced hormones to grow so big. They presumed the creature will getting bigger but not transform into a frog. 

It's unknown how long it can live. 

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Earyn later renewed the states on social media platform telling the abnormal size of Goliath was not resulted by hormones, but the real reason is still waiting to be confirmed. 

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In fact, Goliath was not the first giant tadpoles of which one was recorded in the scientific research exchange website, ResearchGate in 2007. It was 19.7am long with undeveloped limbs and eyes.