# Overfishing and climate change elevate extinction risk of endemic sharks and rays in the southwest Indian Ocean hotspot

*PRI Rank #9 · 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-9*

| Field | Value |
| --- | --- |
| Rank | #9 |
| 18m citations | 19 |
| Journal | PLoS ONE |
| Year | 2024 |
| DOI | 10.1371/journal.pone.0306813 |
| Corresponding authors | Riley A Pollom |
| Institution | Simon Fraser University, Canada |

**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:** [10.1371/journal.pone.0306813](https://doi.org/10.1371/journal.pone.0306813)

## Topics

endemic sharks and rays · southwest Indian Ocean · Extinction risk assessment · Overfishing · Climate change impact · habitat reduction · inshore distributional shifts · targeted shark and ray fisheries · backcasting · Critically Endangered species · Endangered species · Vulnerable species · Data Deficient species · fisheries management · South Africa conservation responsibility · Mozambique · Madagascar · incidental catch reduction · Ecosystem functioning · evolutionarily distinct lineages

## 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
```