Diceratias trilobus is a species of deep sea marine ray-finned fish belonging to the family Diceratiidae, the double anglers. The fish is bathypelagic and has been found as deep as . It is endemic to the northwest Pacific Ocean. A distinct characteristic of this species of anglerfish is its short illicium and abnormally large esca (the commonly recognized lure of light).Rajeeshkumar, M. P., Jacob, V., Sumod, K. S., Sanjeevan, V. N., Hashim, M., & Sudhakar, M. (2016). "Three new records of rare deep-sea Anglerfishes (Lophiiformes: Ceratioidei) from the Northern Indian Ocean." *Marine Biodiversity*, 46, 923-928. doi:10.1007/s12526-015-0437-2
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