This description is about the mysterious and fascinating anglerfish that live in the deep sea. These strange creatures have a unique appearance, with a large head and mouth, and a long, thin body. They have a bioluminescent lure on the top of their head, which they
From Wikipedia
The anglerfish are ray-finned fish in the order Lophiiformes. Both the order's common and scientific name comes from the characteristic mode of predation, in which a modified dorsal fin ray acts as a lure for prey. The modified fin ray, with the very tip being the esca and the length of the structure the illicium, is adapted to attract specific prey items across the families of anglerfish by using different luring methods.