The species name varii
honours the ichthyologist Richard P. Vari (1949–2016)
for his outstanding contributions to the systematics of
Neotropical fishes (Rhyacoglanis varii).
Named from the Latin
variola, meaning smallpox, spotted, in allusion to the
dark dots that cover all dorsal and ventral body surfaces.
A noun in apposition.
the Latin adjective velifer, meaning sail bearing (Latin
velum = sail and fero = to bear). The name refers to the
relatively elongate first dorsal-fin ray of this species,
a diagnostic character.
Lat. velites, plural
of veles, light armed troops of the Roman army, which
usually opened the fighting hurling javelins, retreating
among the ranks of heavy infantry as the struggle advanced.
An allusion to the relatively delicate complexion of the
The specific epithet, “velhomonge”, is a reference
to the Parnaíba River, commonly known as ‘Velho
Monge’ (Old Monk, in English). One of the versions
on the origin of this name portrays that a poet called
Costa e Silva gave the river the nickname “Velho
Monge” because, when seen from the city of Amarante,
the confluence of Canindé River with Parnaíba
River forms a landscape that, in profile, reminds the
silhouette of a monk and whose foam suggests its long
beard. A noun in apposition.
a vermiculate pattern.
Latin word for Wasp,
due to the colour markings.
Lake Victoria, East Africa.
The specific name,
villasboas, (Hartia villasboas) is a patronym
that honours the Orlando, Claudio and Leonardo Villas
Boas brothers, three frontiersmen that led the Expedição
Roncador-Xingu during the years of 1943 to 1949, with
the mission to explore a wide and unknown territory of
the Amazonian regions of Brazil. In 1949, the expedition
reached the tablelands of the Serra do Cachimbo. One of
the most important results of this expedition was the
establishment of the Parque Indígena do Xingu in
1961, the first huge indigenous area in all South America.
The area of the park is 26.420 km2 in the northern of
Mato Grosso State and nowadays protects 14 indigenous
ethnicities. A noun in apposition.
specific epithet violaceus is a Latin word and means violet-colored,
in reference to the general violet body coloration of
was named in honour of Adolfo Schwartz's wife, Virginia.
the Latin viridis, meaning green, and refering to the
colour of the fish.
This name is used in
reference to the relatively deep, robust body and long
fin spines of this species when compared to many congeners.
'of glass’, in reference to the transparent appearance
of this species.