1. The squid in Shidao is sold cheaply because of its high yield. The squid in Shidao is mainly the pen-tube fish, which is a kind of squid, but it is thin, long and small.

2. Zhoushan squid industry is located in Zhoushan National Offshore Fishery Base in Dinghai District, Zhoushan City. Most of Zhoushan squid are deep-sea squid, which is big and very fat.