That's not a frog, that's just Geordi La Forge from that one episode where he was mutated into a glow in the dark alien thing. Though what he's doing here is anyone's guess.
purple harlequin toad (Atelopus barbotini) is poisonous
Its skin glands secrete dangerous chemicals, including self-synthesized bufadienolides (cardiac glycosides) and sequestered neurotoxins such as tetrodotoxin
They are beautiful to look at