One of the 47 frogs on WAnimals

Amphibians · Anura · Conrauidae

Giant Slippery Frog

Conraua goliath

Endangered

It faces a very high risk of extinction in the wild in the near future. See full glossary

The goliath frog is the largest frog in the world: it can exceed thirty centimetres in body length and three kilos in weight. It lives in fast rivers in the forests of the Gulf of Guinea, within a tiny range. In 2019 something unexpected was discovered about it: it builds its own breeding ponds by moving stones weighing several kilos.

Weight

600 g – 3.3 kg

Size

17 cm – 32 cm

Lifespan

15 years

Diet

Carnivore

Feeds mainly on other animals.

Activity

Nocturnal

Active mainly at night.

Social structure

Solitary

Lives and hunts alone, joining others only to breed.

Sighting difficulty

Hard

Fun facts

  • GeneralThe largest frog in the world, at up to 32 cm of body and 3.3 kg; it builds nests by moving stones.
  • récordIt is the largest frog in the world, able to top 3 kilograms, and curiously has no vocal sac, so it does not croak.
  • It builds ponds: in 2019 it was documented that the adults shift stones weighing several kilos and clear the gravel of the riverbed to dig breeding pools where the tadpoles are safe from the current and from predators. It is one of the few known amphibian builders.
  • It is the largest frog in the world: with its legs extended it is more than eighty centimetres long and weighs more than a small cat.
  • It does not croak: it has no vocal sac and communicates with whistles made with its mouth open, which is remarkable in a frog of its size.

Life cycle & biology

Skeleton type
Vertebrate - internal bony skeleton (amphibian)
Habitat & environment
Fast rivers and waterfalls of tropical rainforest
Sexual maturity
2 years
Gestation / incubation
Larval development in pools built by the adults
Litter / clutch size
300 eggs

Sources consulted: https://www.iucnredlist.org/ | https://animaldiversity.org/ | https://es.wikipedia.org/

Where to watch it

Parks and dive sites where this species has been documented.

Related species

Other species in the catalogue with the most in common with Giant Slippery Frog — same habitat, park, country, tags or family.

How to help

The giant slippery frog is classified as endangered. Organizations such as UICN, WWF y Wildlife Conservation Society work specifically on its conservation and that of its habitat; looking into their programs is a good starting point if you want to get involved.

It's documented in 1 real protected area — part of why protecting these places matters for its conservation.

Keep exploring

Based on what we already know about giant slippery frog.

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