Greek xanthellus, yellow, in allusion to the bright colour
of the specimens. A noun in apposition.
after the Xikrin, an indigenous ethnic group inhabiting
the Rio Bacaja' margins. The Xikrin people belong to the
"Je" linguistic trunk, calling themselves "Mebengokre".
They are related to the Kayapo people with whom they share
the same self-denomination, cultural characteristics such
as body painting patterns, language, residence and marital
relations, rituals, chants, and naming system.
From the Xingu River,
sword describing the long (artificial) snout in this Synodontis