2012

• Okamoto, M. & Motomura, H. 2012. Epigonus exodon, a new species of deepwater cardinalfish (Teleostei: Perciformes: Epigonidae) from Réunion, western Indian Ocean. Zootaxa 3453: 84–88. Preview Reference page. 

2014

• Okamoto, M. 2014. Acropoma profundum, a New Species of Lanternbelly (Teleostei: Perciformes: Acropomatidae) from the Solomon Islands. Species diversity 19(1): 9–14. DOI: 10.12782/sd.19.1.009 . Reference page. 

2015

• Iwamoto, T. & Okamoto, M., 2015: A New Grenadier Fish of the Genus Lucigadus (Macrouridae, Gadiformes, Teleostei) from the Emperor Seamounts, Northwestern Pacific. Proceedings of the California Academy of Sciences, (Series 4) 62 (Part 2, No. 13): 369–380. PDF

• Okamoto, M., 2015: Epigonus draco, a New Species of Deepwater Cardinalfish (Perciformes: Epigonidae) from the Western Pacific. Species Diversity 20: 121–127. DOI: 10.12782/sd.20.2.121 Reference page. 

2018

• Okamoto, M., Chen, W-J. & Shinohara, g. 2018. Epigonus okamotoi (Perciformes: Epigonidae), a junior synonym of E. draco, with new distributional records for E. atherinoides and E. lifouensis in the West Pacific. Pp 141–150 In Page, L.M., Chen, W-J. & Ciccotto, P.J. (eds.) Papers on fishes of Asia, including those presented at international conferences of the Asian Society of Ichthyologists in Taipei, Taiwan in 2016, and in Ho Chi Minh City, Vietnam in 2017. Zootaxa 4476(1): 1–181. DOI: 10.11646/zootaxa.4476.1.1 Reference page.  DOI: 10.11646/zootaxa.4476.1.13 full article pdf Reference page. 
• Okamoto, M. & Gon, O. 2018. A review of the deepwater cardinalfish genus Epigonus (Perciformes: Epigonidae) of the Western Indian Ocean, with description of two new species. Zootaxa 4382(2): 261–291. DOI: 10.11646/zootaxa.4382.2.3 Reference page. 
• Okamoto, M. & Motomura, H. 2018. Navigobius asayake, a new species of ptereleotrine goby (Gobioidei: Microdesmidae) from Kagoshima, southern Japan. Zootaxa 4526(3): 373–380. DOI: 10.11646/zootaxa.4526.3.6 Reference page.