Blue-nosed frog

This cryptid is from north Cameroon but was once found in England.

In july 1997, a animal fair in England began. A man called Jonathan Downes was at the fair, he saw a man selling 3 tree frogs with blue glowing noses. After the fair was done, Jonathan discovered that there is no species of frog similar to those he saw known to science.

Similar cryptid
The Flashlight frog is a very similar cryptid, it's even from the same country. Some say that the mysterious creature that Jonathan saw was a species of a Flashlight frog.