Réunion

136 threatened species · Biodiversity Intelligence Dashboard

Threatened Species

136

CR + EN + VU

Critically Endangered

34

Highest risk

Endangered

36

Very high risk

Vulnerable

66

High risk

Declining

55%

75 species

Category Breakdown
CR 34
EN 36
VU 66
CR: 34
EN: 36
VU: 66

Critically Endangered

3425%

Extremely high risk of extinction in the wild.

Endangered

3626%

Very high risk of extinction in the wild.

Vulnerable

6649%

High risk of extinction in the wild.

Threatened total — 136 species

Species by Group
🌱

plants

43

43 threatened

🐟

fishes

42

42 threatened

🐦

birds

10

10 threatened

🪸

corals

9

9 threatened

🦗

insects

7

7 threatened

🪱

other invertebrates

5

5 threatened

🍄

fungi

5

5 threatened

🐚

molluscs

5

5 threatened

🐢

reptiles

3

3 threatened

🕷️

arachnids

3

3 threatened

🐾

mammals

2

2 threatened

🐸

amphibians

1

1 threatened

🦀

crustaceans

1

1 threatened

Global Share

0.24%

of globally threatened species

Country Rank

#160

of 250 countries

Endemic Threatened

9

Found only here

Top Threats
1.Fishing & harvesting aquatic resources60 species
2.Logging & wood harvesting31 species
3.Invasive non-native/alien species/diseases29 species
4.Habitat shifting & alteration27 species
5.Annual & perennial non-timber crops27 species
6.Type Unknown/Unrecorded (pollution)19 species
7.Housing & urban areas16 species
8.Recreational activities14 species

How to Cite

IUCN: IUCN (2025). The IUCN Red List of Threatened Species. Version 2025-1. Available at: https://www.iucnredlist.org. doi:10.2305/IUCN.UK.2025-1.RLTS

GBIF: GBIF.org (2025). GBIF Home Page. Available at: https://www.gbif.org

This page: SpeciesRadar (2026). Réunion: Biodiversity Dashboard. SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/countries/RE

Species counts reflect IUCN Red List threatened categories (CR, EN, VU). · Full citation guide & data usage terms

Frequently asked questions

How many threatened species are in Réunion?
Réunion has 136 threatened species recorded on SpeciesRadar — 34 of those are Critically Endangered, facing an extremely high risk of extinction. The figures combine IUCN Red List data with national red list assessments where available.
How many Critically Endangered, Endangered, and Vulnerable species does Réunion have?
Of the 136 threatened species in Réunion, 34 are Critically Endangered, 36 are Endangered, and 66 are Vulnerable. Together these three IUCN Red List categories make up the "threatened" total.
What is the most endangered species in Réunion?
Among the 34 Critically Endangered species in Réunion, Dwarf Sawfish (Pristis clavata) is one of the most at-risk — featured prominently on the country dashboard. The full list of Critically Endangered species is filterable on the Species tab.
What protected areas exist in Réunion?
SpeciesRadar does not yet catalogue protected areas for Réunion. Where available, protected-area data is drawn from the World Database on Protected Areas (WDPA) and national designations.
Which animal and plant groups are most threatened in Réunion?
The most affected groups in Réunion, by number of threatened species, are plants (43), fishes (42), and birds (10). The full taxonomic breakdown is shown on the country dashboard.
What are the biggest threats to wildlife in Réunion?
The leading threats to threatened species in Réunion are fishing & harvesting aquatic resources, logging & wood harvesting, invasive non-native/alien species/diseases, and habitat shifting & alteration. Each threat is mapped to the species it affects in the country's threat breakdown.
How many threatened species are found only in Réunion?
Réunion has 9 threatened species that are endemic — found nowhere else on Earth. Because their entire global population depends on this one country, they are especially vulnerable to local habitat loss.
How many of Réunion's threatened species have declining populations?
75 of Réunion's threatened species have populations that are still declining. Reversing these trends is the central focus of the conservation work the country dashboard tracks.
How does Réunion compare to other countries for threatened species?
Réunion ranks #160 of 250 countries by number of threatened species, and accounts for roughly 0.24% of all threatened species tracked worldwide. Threat is geographically concentrated, so a high rank reflects both rich biodiversity and intense pressure on it.
Where does the data for Réunion come from, and can I download it?
SpeciesRadar draws on the IUCN Red List, the Global Biodiversity Information Facility (GBIF), the World Database on Protected Areas, and national red lists. Every table on the Réunion profile — species, national red list, and protected areas — can be downloaded as a CSV spreadsheet or a branded PDF report.