Amazon · 11 October 2026 River Least Concern (IUCN Red List, 2009) Draft — not yet reviewed
Black caiman David Waite · Unsplash

Black caiman

Melanosuchus niger

The largest predator in the Amazon ecosystem. After near-extinction from hunting, populations have partially recovered since legal protection in the 1970s.

At a glance

Size 2.5–5m; 300–400kg
Diet Fish, capybaras, deer, birds
Active Night (19–05), Dusk (17–19), Dawn (05–07)
Layer River

How to spot it

Look for eyes glowing red in torchlight along riverbanks at night. Keep distance.

Appearance, call and track details will be added after expert review.

Threats and conservation

Black caiman is listed as Least Concern by the IUCN Red List (assessed 2009). This section will include sourced information on threats, population trends and active conservation programmes after expert review.

Watching responsibly

  • Keep a safe distance. Do not approach to get a closer look or photograph.
  • Look, listen, wait. Passive observation causes the least disturbance.
  • Never feed, bait, call to or touch this animal.
  • Follow all local park and reserve rules.
  • Go with a qualified, locally-licensed guide whenever possible.

Sources

Conservation status: IUCN Red List Red List. Assessment year: 2009. Full sources will be listed here after expert review. Last checked: 2026-10-11.

Reviewer: Draft — to be reviewed