First, long-legged octopus and mini octopus have different common names. Octopus long legs are commonly known as octopus long legs, sow seals, octopus long legs and real octopus. Mini octopus is usually called short-clawed octopus and Wang Chao.

Second, the shape of long-legged octopus is different from that of mini octopus. The long-legged octopus is relatively large, with a maximum weight of 10kg and a wrist length of about 20~33 cm. The shape of mini octopus is similar to that of ordinary octopus, but its size is relatively small, with a maximum of only 30cm.

Third, the distribution of long-legged octopus and mini octopus is different. Octopus longlegs is the most widely distributed cephalopod in shallow water, which is widely distributed in tropical and temperate waters of the world's oceans (except Antarctic and Arctic waters). Mini octopus is distributed in the coastal waters of the northwest Pacific Ocean. It is a small octopus that lives in shallow water. It burrows in mud holes on the beach and is often caught and eaten in large quantities.

Extended data:

Octopus is delicious. It can be eaten raw or dried. Long-legged octopus has the best quality and is listed as a good seafood in Guangdong and Guangxi. Long-legged octopus is a very important and popular species in aquatic products market, and it is also the most common.

The reclusive short-legged octopus can accurately identify the time of high tide, so it has the reputation of "watching the tide". As soon as the tide comes in, it will attack the small crabs and shrimps that have landed. There is a saying that "the big head looks at the tide for eight feet, and it can't catch up in eighteen years." Stand in the cave to watch the ebb and flow of the tide and send crabs and shrimps to eat. "