1. The bait of loach is: In the early years, fishermen fished with flour, refined fish powder and water, and in the northeast corner, fishermen fished with Antarctic shrimp as the main bait.

2. The mud is flat and oval. The head and face are like rabbits, so English is called rabbit fish. There are hard spines on both sides of the ventral fin and soft strips in the middle. Brown body, dotted with many white spots. The trailing edge of the caudal fin bends inward. Its dorsal fin, caudal fin and ventral fin all have poisonous glands. It is 40 cm long and weighs 1 kg. Small head and slightly protruding mouth. Yellow-green or yellow-brown, with white spots and black spots. The spines of dorsal fin, ventral fin and gluteal fin are strong and have poisonous glands, and the caudal fin is slightly concave. Similar to Ampullaria gigas, but the white spots on the fish body of the latter are small and dense.