''Pimelodus joannis'' is a species of

catfish Catfish (or catfishes; order Siluriformes or Nematognathi) are a diverse group of ray-finned fish. Named for their prominent barbels, which resemble a cat's whiskers, catfish range in size and behavior from the three largest species alive, ...

in the family

Pimelodidae The Pimelodidae, commonly known as the long-whiskered catfishes, are a family of catfishes ( order Siluriformes). Taxonomy The family Pimelodidae has undergone much revision. Currently, it contains about 30 genera and about 90 recognized and kno ...

(the long-whiskered catfishes) endemic to

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

, where it occurs in the

Tocantins Tocantins () is one of the 26 states of Brazil. It is the newest state, formed in 1988 and encompassing what had formerly been the northern two-fifths of the state of Goiás. Tocantins covers and had an estimated population of 1,496,880 in 20 ...

river basin. This species reaches in TL.

References

joannis Joannis is a given name. Notable people with the name include: * Joannis Andreou, Greek swimmer * Joannis Antonius de Sancto Giorgio, Italian jurist * Joannis Avramidis, Greek-Austrian sculptor * Joannis Capodistrias, Greek politician in Russia * ...

Fish of the Tocantins River basin Catfish of Brazil Endemic fish of Brazil Taxa named by Frank Raynner Vasconcelos Ribeiro Taxa named by Carlos Alberto Santos de Lucena Fish described in 2008 {{Pimelodidae-stub