Acknowledgments
We thank Dr. Tsuyoshi Abe, Mr. Takashi Abe, Mr. Koji Shibazaki, Ms. Kumiko Shibazaki for their help in sampling. We also thank Dr. Wilfred SantiaƱez, Dr. Davis Iritani, and Dr. Kevin Wakeman for the critical reading of this manuscript. MH was supported by MIKIMOTO FUND FOR MARINE ECOLOGY and JSPS KAKENHI (grant number JP19J10967). KK was supported by JSPS KAKENHI (grant number JP19K06817).