Green Frog Lithobates clamitans Maryland Biodiversity Project Nasal sprays containing the 'Barbie Drug' melanotan are very, very dangerous and completely unregulated, according to leading dermatologist. Experts say there has been a surge in the use of the illegal tanning aid Lithobates clamitans Alchetron, The Free Social Encyclopedia PDF) Changes of melanocytic lesions induced by Melanotan injections and sun bed use in a teenage patient with FAMMM syndrome Green Frogs (Lithobates clamitans) are very territorial, especially the males. You can differentiate their sexes since they are dimorphic (showing observable differences in form, color, size, or structure between sexes). For example,