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Diving into diversity: copepod crustaceans in octocoral associations
Korzhavina, O.A.; Grishina, D.Y.; Chen, X.; Fontaneto, D.; Ivanenko, V.N. (2023). Diving into diversity: copepod crustaceans in octocoral associations. Diversity 15(11): 1140. https://dx.doi.org/10.3390/d15111140
In: Diversity. MDPI: Basel. ISSN 1424-2818; e-ISSN 1424-2818
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| Trefwoorden |
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| Author keywords |
Cnidaria; Octocorallia; Copepoda; biodiversity; distribution; marine symbiosis; parasitism; coral ecosystems; benthic organisms; coral–crustacean interactions |
| Auteurs | | Top |
- Korzhavina, O.A.
- Grishina, D.Y.
- Chen, X.
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- Fontaneto, D.
- Ivanenko, V.N.
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| Abstract |
This research provides an extensive analysis of the biodiversity and distribution patterns of copepod crustaceans associated with octocoral species. A comprehensive dataset comprising 966 records pertaining to 233 copepod species, encompassing 54 genera, 18 families, and 3 orders, was compiled from 92 scientific papers published between 1858 and 2023, and updated as open data to GBIF. These copepods were found to be closely associated with 183 octocoral species, representing 72 genera and 28 families. The analysis revealed a total of 393 distinct interspecific associations between copepods, classified under the orders Cyclopoida, Harpacticoida, and Siphonostomatoida, and diverse octocorals. Approximately 60% of these associations were reported only once in the literature, which poses challenges to assessing the level of host specificity among the majority of copepod species linked with octocorals. Notably, over 91% of the recorded copepod species were found at depths not exceeding 30 m, with only four copepod species reported at greater depths surpassing 500 m. The presence of these symbiotic copepods was documented across 215 sampling sites situated within 8 of the 12 defined marine ecoregions, with particular attention to the Western Indo-Pacific, Central Indo-Pacific, and Temperate Northern regions. Despite the comprehensive examination of available data, this study highlights substantial gaps in our comprehension of copepod crustacean diversity and distribution in association with octocorals. Moreover, crucial information concerning symbiotic copepods is conspicuously absent for approximately 94% of potential octocoral host species. These disparities emphasize the imperative need for further scientific inquiry to unveil the intricacies of symbiotic relationships and to contribute to a more holistic understanding of copepod–octocoral associations. |
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