sentences:  He then carries the tadpoles on his back to a suitable water body where they develop (through metamorphosis) into frogs in about sixty days.Epibatidine, an extremely toxic nicotine-like substance, was first derived from and named for Epipedobates anthonyi.Once investigated for possible use as an analgesic agent, the alkaloid proved far too toxic for any application in human medicine and is presently used exclusively for research purposes.