---
title: "What the sources say about the Goliath Frog | AnimalTracks.wiki"
description: "39 claims from the Goliath Frog profile, each beside the words of the source that backs it."
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---

# What the sources say about the Goliath Frog (*Conraua goliath*)

> 39 claims from the Goliath Frog profile, each beside the words of the source that backs it. A "..." marks a cut in a quote and [brackets] an insertion.

Profile: [Goliath Frog](https://animaltracks.wiki/animals/goliath-frog/)

## Goliath Frog. San Diego Zoo Wildlife Alliance.

https://animals.sandiegozoo.org/animals/goliath-frog

| The page says | The source says |
| :--- | :--- |
| The largest frog in the world | the goliath frog is the largest frog in the world (note: tagline and body) |
| where males haul rocks to build nests for their eggs | The male builds a nest of rocks and gravel near a riverbank |
| Rainforest rivers and waterfalls | Goliath frogs live in small ranges in the rainforests at the equator of western Africa, near swift-moving rivers and waterfalls. (note: stats.habitat) |
| Insects, crustaceans, fish and other amphibians | An adult goliath frog eats the same types of food that other frogs do: insects, crustaceans, fish, and other amphibians. (note: stats.diet) |
| Males build rock and gravel nests and wrestle rivals | The male builds a nest of rocks and gravel near a riverbank, and wrestles with other males to breed with females. (note: stats.superpower) |
| The male goliath frog builds a nest of rocks and gravel near a riverbank. He also wrestles other males to win the right to breed with females. | The male builds a nest of rocks and gravel near a riverbank, and wrestles with other males to breed with females. |
| The wrestling and rock moving may be why males are larger than females, which is unusual for frogs. | The wrestling and rock moving may be why males are larger than females: this is unusual for frogs. |
| Then the female lays her eggs in the nest | Then the female lays thousands of eggs in the nest. (note: count cut: SDZ says thousands, ADW says several hundred; the sentence states only what both agree on) |
| that is where the parenting stops. The adults do not wait around to see whether the eggs hatch. | That is where the parenting stops: they don’t even wait around to ensure the eggs hatch. |
| A goliath tadpole starts out the same size as the tadpole of an average frog, but it just keeps growing. | The goliath frog tadpole is the same size as the tadpole of an average frog, but just keeps growing. |
| Tadpoles are picky eaters and only eat a certain plant found near waterfalls and the banks of swift rivers. | Goliath frog tadpoles are picky eaters and only eat a certain plant found near waterfalls and the banks of swift rivers. |
| Its body is 20 to 30 centimeters long, and it stretches up to 75 centimeters when its legs are extended. | Length: 8 to 12.5 inches (20 to 30 centimeters); up to 29.5 inches (75 centimeters) with legs extended (note: SDZ's intro says up to 12.5 inches (32 cm); the Size box (20 to 30 cm) is used) |
| The heaviest weigh up to 3.3 kilograms | can weigh up to 7.2 pounds (3.3 kilograms) (note: SDZ intro; the Size box 2.7 to 3.3 kg is the top of the range) |
| as big as some house cats | The goliath frog is as big as some house cats! |
| It can jump almost 3 meters forward. | Goliath frogs can jump almost 10 feet (3 meters) forward. |
| A goliath frog may live up to 15 years. | May live up to 15 years or more in native habitat (note: "or more" dropped: Nguete 2019 says up to 15 years in captivity, ADW says lifespan is not well documented; up to 15 is what the sources share, no setting given) |
| For all its size, the largest frog in the world has no vocal sac. | the goliath frog is the largest frog in the world ... goliath frogs don’t have a vocal sac (note: "mute" cut: ADW says males whistle with the mouth open; SDZ and ADW agree there is no vocal sac) |
| There it keeps to small patches of equatorial rainforest near swift-moving rivers and waterfalls. | Goliath frogs live in small ranges in the rainforests at the equator of western Africa, near swift-moving rivers and waterfalls. |
| Goliath frogs come out at night and sit on river rocks to look for food. | Goliath frogs come out at night and sit on river rocks to look for food. |
| One scientist even found a bat in the stomach of a goliath frog. | But one scientist found a bat in the stomach of a goliath frog! |
| Hunting it is against the law, but poachers still do it to sell the meat. | Even though it is now against the law to hunt the goliath frog, poachers still do so to sell the meat. |
| The frogs are also losing forest to farming, logging and human settlements, and that adds extra soil to their breeding streams. | The large frogs are also losing their forest habitat to farming, logging, and human settlements. These activities are adding extra soil to the frogs' breeding streams. |
| Scientists find that adult frogs weigh less than expected these days. | Scientists find that the adult frogs weigh less than expected these days. |
| People hunt it for meat even though that is now illegal, and farming, logging and settlements are eating its forest. That adds soil to its breeding streams. | Even though it is now against the law to hunt the goliath frog, poachers still do so to sell the meat. The large frogs are also losing their forest habitat to farming, logging, and human settlements. These activities are adding extra soil to the frogs' breeding streams. (note: FAQ 3) |
| The largest frog in the world has no vocal sac | the goliath frog is the largest frog in the world ... goliath frogs don’t have a vocal sac (note: vibe.reason, same quote as the body) |
| the males haul rocks and gravel to build nests | The male builds a nest of rocks and gravel near a riverbank (note: vibe.reason, same quote as the body) |

## Conraua goliath. The IUCN Red List of Threatened Species 2019: e.T5263A96062132.

https://doi.org/10.2305/iucn.uk.2019-1.rlts.t5263a96062132.en

| The page says | The source says |
| :--- | :--- |
| The IUCN Red List lists the goliath frog as Endangered. | IUCN Red List category: Endangered (EN). (note: GBIF's copy of the Red List, taxon id 5263 matches the DOI; stats.conservationStatus) |

## Monthe Moumegni et al. (2021). The Feeding Regime of Goliath Frog (Conraua goliath) (Boulenger, 1906) in the Equato-guinean Zone of Cameroon. Genetics and Biodiversity Journal.

https://doi.org/10.46325/gabj.v5i1.177

| The page says | The source says |
| :--- | :--- |
| A study of 65 frogs from hunters in Cameroon's Littoral region | A total of 65 frogs (22 males, 22 females and 21 unspecified frogs) were obtained from hunters in 3 localities namely: Loum, Penja, and Nlonako in the Moungo division, littoral region of Cameroon. |
| found plant leaves and stems in their stomachs as well | plants leaves and steems (21.19%) |
| its authors called the goliath frog an omnivore | goliath frog is an omnivore fed on a variety of preys and plants according to their availability in the environment (note: FAQ 2 uses the same) |
| an animal that eats both plants and animals | goliath frog is an omnivore fed on a variety of preys and plants (note: definition of omnivore, gloss of the source's own conclusion) |
| Researchers who opened the stomachs of frogs from Cameroon found a mix of animal prey and leaves and stems, and concluded the species is an omnivore that eats what its surroundings offer. | The results revealed a large diversity of preys in the stomach namely: myriapods (25%), plants leaves and steems (21.19%), insects (19.56%) ... In conclusion, goliath frog is an omnivore fed on a variety of preys and plants according to their availability in the environment. (note: FAQ 2) |

## Nguete Nguiffo et al. (2019). Microfilariae infestation of goliath frogs (Conraua goliath) from Cameroon. PLOS ONE.

https://doi.org/10.1371/journal.pone.0217539

| The page says | The source says |
| :--- | :--- |
| Equatorial Guinea and Cameroon | The goliath frog (Conraua goliath) is endemic to Equatorial Guinea and Cameroon. |
| in a study of wild frogs in Cameroon, males averaged 1.49 kilograms and females 745 grams | males were larger than females (mean weight 1489.5 g/male vs 745 g/female) (note: 1.49 kg is 1489.5 g converted; "the average frog is far lighter" follows from means under half the 3.3 kg maximum) |
| This frog is endemic to Equatorial Guinea and Cameroon, which means it lives nowhere else. | The goliath frog (Conraua goliath) is endemic to Equatorial Guinea and Cameroon. (note: "means it lives nowhere else" is the definition of endemic) |
| A separate study, also in Cameroon's Littoral region, examined blood from 78 goliath frogs and found microfilariae, a type of blood parasite, in 33 of them. | we microscopically examined blood smears from 78 goliath frogs in February and November 2016 (dry and wet seasons) from six localities in Littoral Region of Cameroon ... Microfilariae were found in 33/78 (42.3%) goliath frogs at six locations. (note: abstract: 'impact of blood parasites'; 'No other haemoparasite species was detected') |
| Heavier frogs carried more of them. | the microfilaria intensity increased with frog weight (p < 0.0001) |
| The biggest weigh up to 3.3 kilograms | The goliath frog is the largest known frog, weighing up to 3.3 kg (note: FAQ 1; the SDZ 2.7 to 3.3 kg band is the top of the range, not a typical weight (ADW: 600 to 3250 g; Nguete means below)) |
| One Cameroon study found wild males averaging just under 1.5 kilograms, and females about half that. | males were larger than females (mean weight 1489.5 g/male vs 745 g/female) (note: FAQ 1; 1489.5 g is just under 1.5 kg, 745 g is half of it) |
