Complex introgression among three diverged largemouth bass lineages

Silliman, Katherine; Zhao, Hongling; Justice, Megan; Thongda, Wilawan; Bowen, Bryant R.; Peatman, Eric

doi:10.1111/eva.13314

Cited by 6 publications

(15 citation statements)

References 110 publications

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“…Both the Largemouth Bass and Florida Bass exhibit geographic population genetic structure. The ddRAD data identifies three genetic groups in Largemouth Bass: a southwestern group, ranging from the Rio Grande system in southern Texas and the Cuatro Ciénegas Basin in Coahuila, Mexico to the south to southwestern tributaries of the Mississippi River (e.g., Red and Canadian Rivers in Oklahoma), a northcentral group throughout the Mississippi River Basin and the Laurentian Great Lakes, and a southeastern group that is consistent with the proposed “Delta Bass 81 ” that ranges from the southeastern tributaries of the Mississippi River to the Perdido River system in Alabama and Florida (Fig. 2 a; Supplementary Fig.…”

Section: Resultsmentioning

confidence: 64%

“…S2 ). Based on analyses of diagnostic nucleotide polymorphisms, we include the Piedmont of Georgia as an area of genomic admixture between Largemouth and Florida Bass 81 , 82 . Genetic admixture between the two species is also apparent in regions where Florida Bass were introduced to areas where Largemouth Bass are native, including the Rio Grande, Nueces, and Guadalupe River systems in Texas, and several river systems draining into the eastern Gulf of Mexico.…”

Section: Resultsmentioning

confidence: 99%

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Phylogenomics and species delimitation of the economically important Black Basses (Micropterus)

Kim

Taylor

Near

2022

Sci Rep

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Informed management and conservation efforts are vital to sustainable recreational fishing and biodiversity conservation. Because the taxonomic rank of species is important in conservation and management strategies, success of these efforts depends on accurate species delimitation. The Black Basses (Micropterus) are an iconic lineage of freshwater fishes that include some of the world’s most popular species for recreational fishing and world's most invasive species. Despite their popularity, previous studies to delimit species and lineages in Micropterus suffer from insufficient geographic coverage and uninformative molecular markers. Our phylogenomic analyses of ddRAD data result in the delimitation of 19 species of Micropterus, which includes 14 described species, the undescribed but well-known Altamaha, Bartram’s, and Choctaw basses, and two additional undescribed species currently classified as Smallmouth Bass (M. dolomieu). We provide a revised delimitation of species in the Largemouth Bass complex that necessitates a change in scientific nomenclature: Micropterus salmoides is retained for the Florida Bass and Micropterus nigricans is elevated from synonymy for the Largemouth Bass. The new understanding of diversity, distribution, and systematics of Black Basses will serve as important basis for the management and conservation of this charismatic and economically important clade of fishes.

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Section: Resultsmentioning

confidence: 64%

Section: Resultsmentioning

confidence: 99%

Phylogenomics and species delimitation of the economically important Black Basses (Micropterus)

Kim

Taylor

Near

2022

Sci Rep

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“…Finally, we recognize that our suite of genetic markers could be expanded to enhance the accuracy of genotype assignments and the estimation of allelic proportions in hybrids. Alternative taxon‐diagnostic genetic marker panels are available for discriminating among FB, LB, and their hybrids (Li et al 2015; Zhao et al 2018; Silliman et al 2021; Kim et al 2022). However, the collection and genotyping of samples for this study began prior to the development of these markers and all collected samples were not retained.…”

Section: Discussionmentioning

confidence: 99%

“…The results here are not likely to be replicated outside of reservoir environments or at greater latitudes or colder climates. Additionally, the warnings about mixing FB and LB, provided decades ago (Chiders 1975;Philipp et al 1981Philipp 1991), have already come to fruition, and recent evidence suggests that the LB complex contains at least one additional cryptic lineage (Silliman et al 2021;Kim et al 2022) and possibly more (E.…”

Section: Reconciliationmentioning

confidence: 99%

Lineage and hybridization effects on size potential in the Largemouth Bass complex

et al. 2023

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Objective: Introductions of Florida Bass Micropterus floridanus (FB) to Texas resulted in prevalent hybridization with Largemouth Bass M. salmoides (LB) and the creation of hybrid-dominated fisheries. However, little was known about the size potential of these hybrids relative to each other or relative to the parental taxa.Methods: Sampling of these taxa and their hybrids in Texas (populations = 166; n = 8685) and genotyping at taxon-diagnostic microsatellite loci facilitated comparisons of allele and genotype frequencies among weight-classes.Result: Results indicated that per capita, fish that were 100% FB were much more likely to attain moderate (≥3.63-kg) to large (≥5.9-kg) size than any other genotype in the species complex. Among hybrids, F 1 genotypes were likely to reach moderate to large sizes at rates similar to hybrids with high levels of FB alleles; otherwise, the likelihood of reaching large size scaled positively with levels of FB alleles. Hybrids with <50% FB alleles and fish that were 100% LB were almost non-existent in the moderate and large size-classes. A case study in Lake Fork (n = 510) provided similar results, although F 1 genotypes were more likely to reach large size than any other hybrid. Conclusion:These findings provide evidence for positive size-related heterosis in the F 1 generation and suggest that absent heterotic effects, size potential in hybrids is driven by many small additive-effect loci. K E Y W O R D Sage and growth, fisheries, genetics, hybrid, introgression, management, theory F I G U R E 1 Collection sites for statewide (Texas; black circles) and Lake Fork (gray circle) samples of Largemouth Bass, Florida Bass, and their hybrids. Sites with ShareLunker entries are marked with triangles.

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“…2019b), and either the broodstock or Lake Mattamuskeet samples could represent hybrids of Largemouth Bass and Florida Largemouth Bass M. salmoides floridanus based on analysis of genetic ancestry from nearby populations (Silliman et al. 2021). Although we did not amplify newly developed markers across species, they are likely appropriate for populations containing Largemouth Bass, Florida Largemouth Bass, and their hybrids, assuming that Lake Mattamuskeet and broodstock samples were introgressed or hybrid individuals.…”

Section: Discussionmentioning

confidence: 99%

Largemouth Bass Hatchery Contributions Quantified via Parentage‐Based Tagging

Hargrove

Dockendorf

Potoka

et al. 2022

N American J Fish Manag

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Largemouth Bass Micropterus salmoides are the focus of a billion-dollar (US$1 × 10 9 ) recreational fishery in North America and are subject to widespread hatchery supplementation efforts. Parentage-based tagging (PBT) uses genetic samples taken from hatchery broodstock to genetically "tag" offspring and represents a valuable approach to inform fisheries management and assess hatchery contributions in the wild. This study used a robust microsatellite panel for PBT with Largemouth Bass that reliably discriminated among individuals and siblings and that had low parentage error rates (i.e., false assignments). Genetic data from three cohorts of hatchery broodstock (184 individuals sampled across 3 years) were used to quantify the impacts of planting 150,346 fingerling Largemouth Bass into Lake Mattamuskeet, North Carolina. Parentage-based tagging detected low overall levels of hatchery contributions in the wild (4.1%), which varied as a function of collection year (range = 1.5-7.7%). Furthermore, hatchery contributions varied by broodstock cohort, with PBT detections being attributed to broodstock from only two of the three stocking years. The application of PBT for Largemouth Bass represents a cost-effective and practical approach to tag large numbers of hatchery offspring, monitor supplementation efforts, and evaluate the efficacy of different hatchery practices.

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Complex introgression among three diverged largemouth bass lineages

Abstract: This is an open access article under the terms of the Creat ive Commo ns Attri bution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

Cited by 6 publications

References 110 publications

Phylogenomics and species delimitation of the economically important Black Basses (Micropterus)

Phylogenomics and species delimitation of the economically important Black Basses (Micropterus)

Lineage and hybridization effects on size potential in the Largemouth Bass complex

Largemouth Bass Hatchery Contributions Quantified via Parentage‐Based Tagging

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