Guineafowl pufferfish, Hawaii, USA (@ Visuals Unlimited/Corbis)
- Who hasn\t dreamt of changing their appearance from time to time?""Such transformations can really blow up in your face
- Eating one of these things is like consuming a beach ball.""Surely that would put you off?
- Some people consider puffballs a delicacy.""Be careful - it could kill you
- This species of the Tetraodontidae family is said to be the world\s second most poisonous vertebrate.""Which is the first?