Scientists found fire salamanders glow blue-green under ultraviolet light, with their skin glands producing fluorescent secretions |
At first glance, the fire salamander appears much as it always has: black skin broken by irregular yellow markings, a pattern long associated with the species’ chemical defences. But under ultraviolet light, that familiar appearance changes. According to the 2026 study published in the Royal Society, titled ‘Glandular biofluorescence in fire salamanders (Salamandra salamandra): first…
