Post #827019 293 Oct 12, 2026, 08:52 UTC These giant deep-sea spiders glow blue, and scientists aren’t sure why via The Indian Express https://ift.tt/eLHcrkO The Indian Express These giant deep-sea spiders glow blue, and scientists aren’t sure why Giant sea spiders found nearly 5,000 metres below the ocean surface off southeastern Australia glow blue when stimulated. Scientists are still trying to understand why they produce light and whether it helps them find prey or attract mates.