''Conraua'', known as slippery frogs or giant frogs is a genus of large

frog A frog is any member of a diverse and largely carnivorous group of short-bodied, tailless amphibians composing the order Anura (ανοὐρά, literally ''without tail'' in Ancient Greek). The oldest fossil "proto-frog" '' Triadobatrachus'' is ...

s from sub-Saharan Africa. ''Conraua'' is the only genus in the family Conrauidae. Alternatively, it may be placed in the family Petropedetidae. This genus includes the largest frog of the world, '' Conraua goliath'', which may grow to in snout–vent length and weigh as much as . Four of the seven species in this genus are

threatened Threatened species are any species (including animals, plants and fungi) which are vulnerable to endangerment in the near future. Species that are threatened are sometimes characterised by the population dynamics measure of ''critical depensa ...

Etymology

The generic name ''Conraua'' honours Gustav Conrau, a German trader and labour recruiter in Cameroon who was the collector of the

holotype A holotype is a single physical example (or illustration) of an organism, known to have been used when the species (or lower-ranked taxon) was formally described. It is either the single such physical example (or illustration) or one of seve ...

of '' Conraua robusta'', the

type species In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specimen( ...

of the genus.

Species

The recognized species are: *'' Conraua alleni'' *'' Conraua beccarii'' *'' Conraua crassipes'' *'' Conraua derooi'' Hulselmans, 1972 *'' Conraua goliath'' (Boulenger, 1906) – goliath frog *'' Conraua robusta''

Nieden Nieden ( Polabian ''Nadam''Schulz, Erwin (2007). ''Der Ortsnamen Detektiv: mittelalterliche Siedlungsnamen im Kreis Uecker-Randow (1121-1591) ; Ursprung, Details, Erklärungen ; mit einer Übersicht zu Ortsnamen ab 1600.'' Schibri-Verlag, p. 29. ...

, 1908 – Cameroon slippery frog *'' Conraua sagyimase'' Neira-Salamea, Ofori-Boateng, Kouamé,

Blackburn Blackburn () is an industrial town and the administrative centre of the Blackburn with Darwen borough in Lancashire, England. The town is north of the West Pennine Moors on the southern edge of the Ribble Valley, east of Preston and nort ...

, Segniagbeto, Hillers, Barej, Leaché & Rödel, 2021 ''

Nota bene (, or ; plural form ) is a Latin phrase meaning "note well". It is often abbreviated as NB, n.b., or with the ligature and first appeared in English writing . In Modern English, it is used, particularly in legal papers, to draw the atte ...

'': A

binomial authority In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...

in parentheses indicates that the species was originally described in a genus other than ''Conraua''.

References

External links

* Amphibians of Sub-Saharan Africa Amphibian genera Taxa named by Fritz Nieden {{ranoidea-stub