The marine iguana is a national second-class protected animal, and the current number is very small. It is different from all iguanas. The marine iguana is the only iguana that can live in the ocean, and the marine iguana is the only one that can live in the ocean. It can also drink seawater, and usually find food in the ocean.

The marine iguana's active area is very large compared to other iguanas The difference is that marine iguanas mainly live in the ocean and can travel freely in the ocean, presenting a completely opposite living environment to most iguanas living on land.