Christmas Island

36 threatened species · Biodiversity Intelligence Dashboard

Threatened Species

36

CR + EN + VU

Critically Endangered

2

Highest risk

Endangered

15

Very high risk

Vulnerable

19

High risk

Declining

72%

26 species

Category Breakdown
EN 15
VU 19
CR: 2
EN: 15
VU: 19

Critically Endangered

26%

Extremely high risk of extinction in the wild.

Endangered

1542%

Very high risk of extinction in the wild.

Vulnerable

1953%

High risk of extinction in the wild.

Threatened total — 36 species

Species by Group
🐟

fishes

12

12 threatened

🐦

birds

8

8 threatened

🪸

corals

6

6 threatened

🌱

plants

4

4 threatened

🐢

reptiles

2

2 threatened

🐾

mammals

1

1 threatened

🦗

insects

1

1 threatened

🪱

other invertebrates

1

1 threatened

🦀

crustaceans

1

1 threatened

Global Share

0.06%

of globally threatened species

Country Rank

#228

of 250 countries

Endemic Threatened

3

Found only here

Top Threats
1.Habitat shifting & alteration18 species
2.Logging & wood harvesting17 species
3.Fishing & harvesting aquatic resources16 species
4.Invasive non-native/alien species/diseases16 species
5.Annual & perennial non-timber crops9 species
6.Recreational activities8 species
7.Mining & quarrying8 species
8.Hunting & trapping terrestrial animals7 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). Christmas Island: Biodiversity Dashboard. SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/countries/CX

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 Christmas Island?
Christmas Island has 36 threatened species recorded on SpeciesRadar — 2 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 Christmas Island have?
Of the 36 threatened species in Christmas Island, 2 are Critically Endangered, 15 are Endangered, and 19 are Vulnerable. Together these three IUCN Red List categories make up the "threatened" total.
What is the most endangered species in Christmas Island?
Among the 2 Critically Endangered species in Christmas Island, Oceanic Whitetip Shark (Carcharhinus longimanus) 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 Christmas Island?
SpeciesRadar does not yet catalogue protected areas for Christmas Island. 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 Christmas Island?
The most affected groups in Christmas Island, by number of threatened species, are fishes (12), birds (8), and corals (6). The full taxonomic breakdown is shown on the country dashboard.
What are the biggest threats to wildlife in Christmas Island?
The leading threats to threatened species in Christmas Island are habitat shifting & alteration, logging & wood harvesting, fishing & harvesting aquatic resources, and invasive non-native/alien species/diseases. Each threat is mapped to the species it affects in the country's threat breakdown.
How many threatened species are found only in Christmas Island?
Christmas Island has 3 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 Christmas Island's threatened species have declining populations?
26 of Christmas Island'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 Christmas Island compare to other countries for threatened species?
Christmas Island ranks #228 of 250 countries by number of threatened species, and accounts for roughly 0.06% 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 Christmas Island 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 Christmas Island profile — species, national red list, and protected areas — can be downloaded as a CSV spreadsheet or a branded PDF report.