Also known as deep-sea anglerfish or lanternfish, it is a unique fish species that lives in the deep sea. Known for its unique hunting method, it usually has a glowing bait to attract prey. The body structure adapts to the dark environment of the deep sea, and the eyes are relatively small because there is almost no light at such depths. On the contrary, they usually have a glowing organ on their body that attracts small fish or other organisms as food. Large in size, some species can reach a body length of over 1 meter. Rough skin, usually dark brown or black in color, helps them hide in the deep sea. The mouth is large, the teeth are sharp, and it can quickly capture and swallow prey.