About the Authors

Frederic Sinniger

fredsinniger@hotmail.com

Affiliations Submarine Resources Project, Japan Agency for Marine-Earth Science and Technology, Yokosuka, Kanagawa, Japan, Global Oceanographic Data Center, Japan Agency for Marine-Earth Science and Technology, Nago, Okinawa, Japan, Marine Biodiversity Program, Institute of Biogeoscience, Japan Agency for Marine-Earth Science and Technology, Yokosuka, Kanagawa, Japan, Tropical Biosphere Research Center, University of the Ryukyus, Motobu, Okinawa, Japan

Oscar V. Ocaña

Affiliation Departamento de Biologia Marina, Fundacion Museo del Mar, Ceuta, North Africa, Spain

Amy R. Baco

Affiliation Department of Oceanography, Florida State University, Tallahassee, Florida, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AB FS. Performed the experiments: FS OO. Analyzed the data: FS OO. Contributed reagents/materials/analysis tools: FS AB OO. Wrote the paper: FS. Histological and morphological examinations: OO. Molecular analyses: FS. External morphology: OO AB FS. Sampling: AB.