But when it comes to versatility, nothing beats the fried wax worm (a type of caterpillar), which can be used in salty, spicy, and sweet dishes.

BBC: Edible insects crawl onto menus

Deep in oceans around the world lurks a type of worm without a mouth, anus or gut that makes its living by eating the bones of whales and other deceased sea creatures.

MSN: Zombie worm has no mouth �� but it feasts on whale bones

In the lake, however, there is the risk of bilharzia, an infection by a type of parasitic worm, so travellers who choose to swim or dive there often stock up on the treatment, Praziquantel tablets.

BBC: The planet��s pristine waters