''Biotodoma wavrini'' (Orinoco eartheater), is a species of cichlid in the

tribe The term tribe is used in many different contexts to refer to a category of human social group. The predominant worldwide usage of the term in English is in the discipline of anthropology. This definition is contested, in part due to confli ...

Geophagini Geophagini is a tribe of cichlids from the subfamily Cichlinae, the American cichlids. It is the sister taxon to the clade which includes the Cichlasomatini and Heroini. Fishes in the Geophagini are distributed from Panama south to Argentina ...

, part of the American cichlid subfamily Cichlinae. It is found in the middle and upper Rio Negro drainage in Brazil and Venezuela, and in the

Orinoco River The Orinoco () is one of the longest rivers in South America at . Its drainage basin, sometimes known as the Orinoquia, covers , with 76.3 percent of it in Venezuela and the remainder in Colombia. It is the fourth largest river in the wor ...

basin in Colombia and Venezuela. ''B. wavrini'' is around 10 cm in length. The Orinoco eartheater poses no threats to humans.

Etymology

Its specific name honours the

Belgian Belgian may refer to: * Something of, or related to, Belgium * Belgians, people from Belgium or of Belgian descent * Languages of Belgium, languages spoken in Belgium, such as Dutch, French, and German *Ancient Belgian language, an extinct languag ...

aristocrat,

ethnologist Ethnology (from the grc-gre, ἔθνος, meaning 'nation') is an academic field that compares and analyzes the characteristics of different peoples and the relationships between them (compare cultural, social, or sociocultural anthropology) ...

and

explorer Exploration refers to the historical practice of discovering remote lands. It is studied by geographers and historians. Two major eras of exploration occurred in human history: one of convergence, and one of divergence. The first, covering most ...

Marquis Robert de Wavrin de Villers-au-Tertre (1888–1971), who collected the type specimen in 1935.

References

{{Taxonbar, from=Q128564 wavrini Taxa named by Jean-Pierre Gosse Fish described in 1963