Okamura, T. & Tokunaga, S. & Ogawa, T. & Yoda, K. (2024)
A shortfin mako shark circling a finless porpoise with damaged caudal fin. Ecology and Evolution, 14(7), Article e70024
DOI: 10.1002/ece3.70024

Tokunaga, S. & Watanabe, Y.Y. & Kawano, M. & Kawabata, Y. (2022)
Factors affecting gestation periods in elasmobranch fishes. Biology Open, 11(6), Article bio059270
DOI: 10.1242/bio.059270