? ? ? ? , commonly known as stuttering fish, frog, frog, anglerfish, etc., generally live in tropical and subtropical shallow waters. It is a bony fish. ? ? ? (ānkāng) eye,? ? ? ? Family, a worldwide fish, is distributed in the Atlantic Ocean, the Pacific Ocean and the Indian Ocean. It has a large head, a soft, scaleless body, and a brown back, like a frying pan with a handle. The head is particularly large and flat, the mouth is wide, the ventral fin is short, and the caudal fin is round? ? ? ? Fish has two dorsal fins. The first dorsal fin is different from ordinary fish, and it consists of 5 ~ 6 separate fins and spines. The pectoral fin is well developed and can move on the seabed like a foot. It mainly feeds on all kinds of small fish or juvenile fish, and also eats all kinds of invertebrates and seabirds. It has a huge mouth and an equally amazing appetite. ? ? ? ? There is a fleshy protrusion above the head, which looks like a small lantern. ? ? ? The first dorsal fin of fish gradually extends upward. The front section is like a fishing rod, and the end expands to form a "bait". The reason why small lanterns glow is that there are gland cells in lanterns, which can secrete luciferin. Under the catalysis of luciferase, luciferin reacts with oxygen for slow chemical oxidation and emits light. Many fish in the deep sea have phototaxis, so small lanterns become? ? ? ? Fish is a good weapon to lure food.