10 Facts about puffer fish

• They are the most poisonous fish in the sea
• They are the only bony fish which can close their eyes
• They are masters of self-defence
• Puffer fish don’t have scales
• One makes huge, beautiful nest patterns in the sand
• Their teeth are fused together and never stop growing
• Baby puffer fish are cannibals
• There are over 200 species of puffer fish, living in either fresh or salt water
• Some puffer fish are over 60 cm long
• Dolphins us them to get high