# Ancient and Recent Hybridization in the <i>Oreochromis</i> Cichlid Fishes

*PRI Rank #18 · Topics and Trends in Most Cited Fish Biology and Ecology Studies Papers, Class of 2026*

*Canonical URL: https://pri.pepkio.com/top-papers/fish-biology-and-ecology-studies/2026/rank-18*

| Field | Value |
| --- | --- |
| Rank | #18 |
| 18m citations | 16 |
| Journal | Molecular Biology and Evolution |
| Year | 2024 |
| DOI | 10.1093/molbev/msae116 |
| Corresponding authors | Adam G Ciezarek |
| Institution | Earlham Institute, United Kingdom |

**Ranking page:** [Topics and Trends in Most Cited Fish Biology and Ecology Studies Papers, Class of 2026](https://pri.pepkio.com/top-papers/fish-biology-and-ecology-studies/2026)

**Paper link:** [10.1093/molbev/msae116](https://doi.org/10.1093/molbev/msae116)

## Topics

Oreochromis · tilapia · cichlid fishes · whole genome resequencing · ancient gene flow · hybrid speciation · O. chungruruensis · introgression · genomic homogenization · local adaptation · Phylogenetic hypothesis · Tanzania tilapia diversity · native-introduced species hybridization · aquaculture escapees · capture fisheries improvement · Admixture analysis · 23 species sampling · 575 individuals

## Cite this ranking

```
Pepkio Research Index (PRI). Topics and Trends in Most Cited Fish Biology and Ecology Studies Papers, Class of 2026. https://pri.pepkio.com/top-papers/fish-biology-and-ecology-studies/2026. Accessed 2026-07-21.

Zheng Su, Tinsley Li, Thematic Shifts in Early-High-Impact Cancer Genomics and Diagnostics Research: A Bibliometric and Semantic Analysis. bioRxiv 2026.07.04.736459; doi: https://doi.org/10.64898/2026.07.04.736459
```