What is the Partula snail? Also known as the Polynesian tree snail or niho tree snail, the Partula snail (Partula nodosa) is actually one of several snail species of the genus—all of which are ...

Freshly caught catfish on display at the daily market in Laos. Photograph by National Geographic/Jock Montgomery A pot of snails. Wrapped tightly in a lettuce wrap, with spring onions and other ...