Premium Academic ArticleOpen Access · CC BY-NC-ND 4.0
A baseline assessment of deep-sea biodiversity, and guide for future actions to inform stewardship, in Trinidad and Tobago
Jaime-Leigh Lue Chin, Muriel Rabone, Juliano Palacios-Abrantes, Judith Gobin, Alana Jute, La Daana K. Kanhai, and Diva J. Amon
The University of the West Indies; Natural History Museum, London; The University of British Columbia; Institute of Marine Affairs; University of California, Santa Barbara; SpeSeas
The study provides the first systematic assessment of deep-sea biodiversity knowledge in Trinidad and Tobago. It compiles records from scientific literature, museum collections, research expeditions, and biodiversity databases. The authors report 1,342 unique biological records representing 451 metazoan morphospecies in 218 families across ten phyla. Major gaps remain, especially below 2,049 metres, while fewer than 9% of physical samples are estimated to remain in-country.
CaribbeanBiological recordKnowledge assessmentSmall Island Developing State
Sorotan Penelitian
1
Deep sea covers approximately 69.1% of Trinidad and Tobago’s Exclusive Economic Zone.
2
1,342 records represent 451 morphospecies, 218 families, and ten metazoan phyla.
3
Recorded diversity comprises 315 benthic and 136 pelagic morphospecies.
4
No biological research was identified below 2,049 m, about 20% of the EEZ.
5
Less than 9% of collected biological samples were estimated to remain in-country.
6
The article recommends systematic, locally led research, data sharing, and technology transfer.
Cara Sitasi
Lue Chin, J.-L., Rabone, M., Palacios-Abrantes, J., Gobin, J., Jute, A., Kanhai, L. D. K., & Amon, D. J. (2026). A baseline assessment of deep-sea biodiversity, and guide for future actions to inform stewardship, in Trinidad and Tobago. Discover Oceans, 3, Article 18. https://doi.org/10.1007/s44289-026-00119-3
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