Plesiolebias

Plesiolebias is a genus of fish in the family Rivulidae. These annual killifish are endemic to seasonal pools, swamps and lagoons in the Araguaia–Tocantins, Xingu, and uppermost Paraguay (Pantanal) river basins in Brazil.^[2]

Plesiolebias
Plesiolebias glaucopterus
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Cyprinodontiformes
Family:	Rivulidae
Genus:	Plesiolebias W. J. E. M. Costa, 1989
Type species
Cynolebias xavantei Costa, Lacerda & Tanizaki, 1988[1]

They are small fish, up to 5 cm (2.0 in) in total length.^[3] As typical of killifish, males are more colorful than females.^[2]

Species

Plesiolebias and the closely related Maratecoara, Papiliolebias, Pituna and Stenolebias form a clade, Plesiolebiasini.^[2]

There are currently eight recognized species in Plesiolebias:^[3]

• Plesiolebias altamira W. J. E. M. Costa & D. T. B. Nielsen, 2007
• Plesiolebias aruana (Lazara, 1991)
• Plesiolebias canabravensis W. J. E. M. Costa & D. T. B. Nielsen, 2007
• Plesiolebias filamentosus W. J. E. M. Costa & G. C. Brasil, 2007
• Plesiolebias fragilis W. J. E. M. Costa, 2007
• Plesiolebias glaucopterus (W. J. E. M. Costa & Lacerda, 1989)
• Plesiolebias lacerdai W. J. E. M. Costa, 1989
• Plesiolebias xavantei (W. J. E. M. Costa, Lacerda & Tanizaki, 1988)