Phylogenomics and historical biogeography of seahorses, dragonets, goatfishes, and allies (Teleostei: syngnatharia): assessing factors driving uncertainty in biogeographic inferences

Santaquiteria, Aintzane, Siqueira, Alexandre C., Duarte-Ribeiro, Emanuell, Carnevale, Giorgio, White, William T., Pogonoski, John J., Baldwin, Carole C., Ortí, Guillermo, Arcila, Dahiana, and Ricardo, Betancur R. (2021) Phylogenomics and historical biogeography of seahorses, dragonets, goatfishes, and allies (Teleostei: syngnatharia): assessing factors driving uncertainty in biogeographic inferences. Systematic Biology, 70 (6). pp. 1145-1162.

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Abstract

The charismatic trumpetfishes, goatfishes, dragonets, flying gurnards, seahorses, and pipefishes encompass a recently defined yet extraordinarily diverse clade of percomorph fishes—the series Syngnatharia. This group is widely distributed in tropical and warm-temperate regions, with a great proportion of its extant diversity occurring in the Indo-Pacific. Because most syngnatharians feature long-range dispersal capabilities, tracing their biogeographic origins is challenging. Here, we applied an integrative phylogenomic approach to elucidate the evolutionary biogeography of syngnatharians. We built upon a recently published phylogenomic study that examined ultraconserved elements by adding 62 species (total 169 species) and one family (Draconettidae), to cover ca. 25% of the species diversity and all 10 families in the group. We inferred a set of time-calibrated trees and conducted ancestral range estimations. We also examined the sensitivity of these analyses to phylogenetic uncertainty (estimated from multiple genomic subsets), area delimitation, and biogeographic models that include or exclude the jump-dispersal parameter (⁠j)⁠. Of the three factors examined, we found that the j parameter has the strongest effect in ancestral range estimates, followed by number of areas defined, and tree topology and divergence times. After accounting for these uncertainties, our results reveal that syngnatharians originated in the ancient Tethys Sea ca. 87 Ma (84–94 Ma; Late Cretaceous) and subsequently occupied the Indo-Pacific. Throughout syngnatharian history, multiple independent lineages colonized the eastern Pacific (6–8 times) and the Atlantic (6–14 times) from their center of origin, with most events taking place following an east-to-west route prior to the closure of the Tethys Seaway ca. 12–18 Ma. Ultimately, our study highlights the importance of accounting for different factors generating uncertainty in macroevolutionary and biogeographic inferences.[Historical biogeography; jump-dispersal parameter; macroevolutionary uncertainty; marine fishes; syngnathiformes; ultraconserved elements].

Item ID: 72903
Item Type: Article (Research - C1)
ISSN: 1076-836X
Keywords: Historical biogeography, jump-dispersal parameter, macroevolutionary uncertainty, marine fishes, syngnathiformes, ultraconserved elements
Copyright Information: © The Author(s) 2021. Published by Oxford University Press, on behalf of the Society of Systematic Biologists. All rights reserved.
Research Data: https://doi.org/10.5061/dryad.4xgxd2580
Date Deposited: 11 May 2022 03:31
FoR Codes: 31 BIOLOGICAL SCIENCES > 3104 Evolutionary biology > 310410 Phylogeny and comparative analysis @ 50%
31 BIOLOGICAL SCIENCES > 3104 Evolutionary biology > 310402 Biogeography and phylogeography @ 50%
SEO Codes: 28 EXPANDING KNOWLEDGE > 2801 Expanding knowledge > 280102 Expanding knowledge in the biological sciences @ 100%
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