VUVulnerablePartial review

Fossa

Cryptoprocta ferox

Fossa (Cryptoprocta ferox), a slender cat-like Madagascan carnivore.

Fossa (Cryptoprocta ferox), Madagascar's largest carnivore.

Image: Ran Kirlian, CC BY-SA 4.0, via Wikimedia Commons.

At a glance

IUCN category
VU · Vulnerable
Animal group
Mammals
Population trend
Decreasing
FaunaHub record reviewed
Checked against IUCN
Matches source — IUCN's 2016 global assessment of Cryptoprocta ferox says VulnerableChecked 2026-10-09 against IUCN's Red List export published 2026-07-28 · assessment

Conservation overview

The fossa is Madagascar's largest carnivore, a slender, cat-like predator related to the mongoose family. It is assessed as Vulnerable.

It is the main predator of lemurs and is an agile climber.

Range & habitat

Forests across Madagascar.

Major threats

Threats below are drawn from the authoritative sources listed on this page. For the current, complete assessment, see the IUCN Red List.

  • Deforestation
  • Persecution as a livestock predator
  • Fragmentation

Why it matters

As the top predator of Madagascar's forests, the fossa shapes lemur populations and is a flagship for the island's threatened ecosystems.

Madagascar's largest carnivore.

Sources

Sources for Fossa

Frequently Asked Questions

Is the fossa a cat?
No. Although it looks and hunts like a cat, the fossa belongs to a Madagascar-specific carnivore family related to mongooses — a striking case of an animal evolving cat-like traits independently.
Why is the fossa Vulnerable?
Published assessments cite deforestation, persecution by people protecting livestock, and habitat fragmentation. See the IUCN Red List for the current assessment.