ESPÉCIES QUE OCORREM NO ESTADO DO RIO GRANDE DO SUL
Epactionotus bilineatus Reis & Schaefer, 1998
Epactionotus itaimbezinho Reis & Schaefer, 1998
Eurycheilichthys apocremnus Reis, 2017
Eurycheilichthys castaneus Reis, 2017
Eurycheilichthys coryphaenus Reis, 2017
Eurycheilichthys limulus Reis & Schaefer, 1998
Eurycheilichthys luisae Reis, 2017
Eurycheilichthys pantherinus (Reis & Schaefer, 1992)
Eurycheilichthys paucidens Reis, 2017
Eurycheilichthys planus Reis, 2017
Eurycheilichthys vacariensis Reis, 2017
Hisonotus aky (Azpelicueta, Casciotta, Almirón & Koerber, 2004)
Hisonotus armatus Carvalho, Lehmann, Pereira & Reis, 2011
Hisonotus brunneus Carvalho & Reis, 2011
Hisonotus carreiro Carvalho & Reis, 2011
Hisonotus charrua Almirón, Azpelicueta, Casciotta & Litz, 2006
Hisonotus heterogaster Carvalho & Reis, 2011
Hisonotus iota Carvalho & Reis, 2009
Hisonotus laevior Cope, 1894
Hisonotus leucofrenatus (Miranda Ribeiro, 1908)
Hisonotus leucophrys Carvalho & Reis, 2009
Hisonotus megaloplax Carvalho & Reis, 2009
Hisonotus montanus Carvalho & Reis, 2009
Hisonotus nigricauda (Boulenger, 1891)
Hisonotus notopagos Carvalho & Reis, 2011
Hisonotus prata Carvalho & Reis, 2011
Hisonotus ringueleti Aquino, Schaefer & Miquelarena, 2001
Hisonotus taimensis (Buckup, 1981)
Hisonotus vireo Carvalho & Reis, 2011
Otocinclus arnoldi Regan, 1909
Otocinclus flexilis Cope, 1894
Otothyris rostrata Garavello, Britski & Schaefer, 1998
