Marshall Islands

100 threatened species · Biodiversity Intelligence Dashboard

Threatened Species

100

CR + EN + VU

Critically Endangered

5

Highest risk

Endangered

57

Very high risk

Vulnerable

38

High risk

Declining

82%

82 species

Category Breakdown
EN 57
VU 38
CR: 5
EN: 57
VU: 38

Critically Endangered

55%

Extremely high risk of extinction in the wild.

Endangered

5757%

Very high risk of extinction in the wild.

Vulnerable

3838%

High risk of extinction in the wild.

Threatened total — 100 species

Species by Group
🪸

corals

64

64 threatened

🐟

fishes

20

20 threatened

🐦

birds

6

6 threatened

🪱

other invertebrates

4

4 threatened

🐢

reptiles

2

2 threatened

🐾

mammals

1

1 threatened

🍄

fungi

1

1 threatened

🐚

molluscs

1

1 threatened

🦀

crustaceans

1

1 threatened

Global Share

0.18%

of globally threatened species

Country Rank

#181

of 250 countries

Endemic Threatened

0

Found only here

Top Threats
1.Fishing & harvesting aquatic resources75 species
2.Habitat shifting & alteration71 species
3.Invasive non-native/alien species/diseases57 species
4.Annual & perennial non-timber crops57 species
5.Type Unknown/Unrecorded (pollution)56 species
6.Problematic native species/diseases55 species
7.Recreational activities54 species
8.Agricultural & forestry effluents52 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). Marshall Islands: Biodiversity Dashboard. SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/countries/MH

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 Marshall Islands?
Marshall Islands has 100 threatened species recorded on SpeciesRadar — 5 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 Marshall Islands have?
Of the 100 threatened species in Marshall Islands, 5 are Critically Endangered, 57 are Endangered, and 38 are Vulnerable. Together these three IUCN Red List categories make up the "threatened" total.
What is the most endangered species in Marshall Islands?
Among the 5 Critically Endangered species in Marshall Islands, Montipora patula 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 Marshall Islands?
SpeciesRadar does not yet catalogue protected areas for Marshall Islands. 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 Marshall Islands?
The most affected groups in Marshall Islands, by number of threatened species, are corals (64), fishes (20), and birds (6). The full taxonomic breakdown is shown on the country dashboard.
What are the biggest threats to wildlife in Marshall Islands?
The leading threats to threatened species in Marshall Islands are fishing & harvesting aquatic resources, habitat shifting & alteration, invasive non-native/alien species/diseases, and annual & perennial non-timber crops. Each threat is mapped to the species it affects in the country's threat breakdown.
How many of Marshall Islands's threatened species have declining populations?
82 of Marshall Islands'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 Marshall Islands compare to other countries for threatened species?
Marshall Islands ranks #181 of 250 countries by number of threatened species, and accounts for roughly 0.18% 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 Marshall Islands 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 Marshall Islands profile — species, national red list, and protected areas — can be downloaded as a CSV spreadsheet or a branded PDF report.