Abstract
Our knowledge of the ecology and habitat of juveniles of many sea cucumber species is limited, due to their cryptic habitats and differing color and shape from adults. In the present study, a juvenile specimen of the sea cucumber Thelenota anax H. L. Clark, 1921, collected from 30 m at Rukan Reef, Okinawa, Japan, is described. We confirmed specific identity using cytochrome oxidase subunit I (COI) sequences. We show that the pseudotable ossicles in Thelenota are table ossicles, and document synallactid-like ossicles not previously recorded in the Stichopodidae.
References
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Acknowledgments
We thank Prof. Euichi Hirose, University of the Ryukyus, for his help in the support and training in the use of SEM. Comments from two reviewers improved this manuscript.
Funding
The second author was funded by a Japan Society for the Promotion of Science (JSPS) ‘Zuno-Junkan’ grant entitled ‘Studies on origin and maintenance of marine biodiversity and systematic conservation planning’.
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All applicable international, national, and/or institutional guidelines for the care and use of animals were followed by the authors.
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Soliman, T., Reimer, J.D., Kawamura, I. et al. Description of the juvenile form of the sea cucumber Thelenota anax H. L. Clark, 1921. Mar Biodiv 49, 547–554 (2019). https://doi.org/10.1007/s12526-017-0820-2
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DOI: https://doi.org/10.1007/s12526-017-0820-2