About the Authors

Kei Kimura

Affiliations National Research Institute of Fisheries and Environment of Inland Sea, Fisheries Research Agency, Hatsukaichi, Hiroshima, Japan, Research Fellow of the Japan Society for the Promotion of Science, Tokyo, Japan

Yuji Tomaru

tomaruy@affrc.go.jp

Affiliation National Research Institute of Fisheries and Environment of Inland Sea, Fisheries Research Agency, Hatsukaichi, Hiroshima, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KK YT. Performed the experiments: KK YT. Analyzed the data: KK. Contributed reagents/materials/analysis tools: KK YT. Wrote the paper: KK YT.