Scaly-foot gastropod produces iron ‘chainmail’ coat

  Chrysomallon squamiferum is a gastropod (snail) recently described from deep-sea hydrothermal vents in the Indian Ocean. The characteristic plates on the soft body have earned it the name ‘scaly-foot’, but the most unusual thing about this creature is that the scales are coated in iron sulphide. This is likely produced by endosymbiotic bacteria living in the gut which…

No bones about it! What are skeletons?

Skeletons aren’t just bony figures with a skull, ribs and bandy legs that jump out of closets and ask for sweets at Hallowe’en. In fact, many skeletons have no bones at all! Let’s take a far and wide look at skeletons… Skeletons fulfil at least four basic functions – they support the body’s structure against gravity or other…