Tube anemone (@ Stuart Westmorland/Corbis)
- It may look like a funky stocking-filler but you wouldn\t want to grab one of these on Christmas morning.""What is this stinging sea thing?
- Down in the deepest, darkest sea extraordinary animals put on amazing, otherworldly light shows.""Watch their lovely illuminations
- These interesting anemones get their name from the tubes that they live in, sometimes more than two metres long.""Delve in deeper with more pics
- You might be more used to seeing crazy colours in long glass tubes bent to make unusual pictures or sign posts.""Here are some more of these attention-seeking signs