A round fish cage crab trap is a fishing gear used to catch fish and crabs. It is round or cylindrical in shape. This type of fishing gear is generally made of metal wire, plastic wire, or other durable materials that form a cage-like structure. Fishermen usually put bait into a cage and then place the cage in the water. Once a fish or crab is attracted to a cage, it will be difficult for them to escape once inside.

This design is simple and effective and is widely used in fishing activities. Round fish pots and crab pots are suitable for different waters and fishing targets, and are one of the common tools used by fishermen in the fishing process.