This dataset contains the digitized treatments in Plazi based on the original journal article Shinohara, Gento (2021): A new jawfish of the genus Opistognathus (Perciformes: Opistognathidae) from Japan. Zootaxa 4964 (1): 157-168, DOI: https://doi.org/10.11646/zootaxa.4964.1.8