| [21126] Apteronotidae | Appellations de Taxon | 21126 |
| [21127] Apteronotus albifrons | Appellations de Taxon | 21127 |
| [21128] Porotergus gymnotus | Appellations de Taxon | 21128 |
| [21129] Sternarchorhynchus oxyrhynchus | Appellations de Taxon | 21129 |
| [2113] Gobio gobio | Appellations de Taxon | 2113 |
| [21130] Electrophoridae | Appellations de Taxon | 21130 |
| [21131] Electrophorus electricus | Appellations de Taxon | 21131 |
| [21132] Gymnotidae | Appellations de Taxon | 21132 |
| [21133] Gymnotus anguillaris | Appellations de Taxon | 21133 |
| [21134] Gymnotus carapo | Appellations de Taxon | 21134 |
| [21135] Hypopomidae | Appellations de Taxon | 21135 |
| [21136] Brachyhypopomus beebei | Appellations de Taxon | 21136 |
| [21137] Brachyhypopomus brevirostris | Appellations de Taxon | 21137 |
| [21138] Brachyhypopomus pinnicaudatus | Appellations de Taxon | 21138 |
| [21139] Hypopomus artedi | Appellations de Taxon | 21139 |
| [2114] Hypophthalmichthys | Appellations de Taxon | 2114 |
| [21140] Hypopygus lepturus | Appellations de Taxon | 21140 |
| [21141] Rhamphichthyidae | Appellations de Taxon | 21141 |
| [21142] Rhamphichthys rostratus | Appellations de Taxon | 21142 |
| [21143] Sternopygidae | Appellations de Taxon | 21143 |
| [21144] Archolaemus blax | Appellations de Taxon | 21144 |
| [21145] Eigenmannia humboldtii | Appellations de Taxon | 21145 |
| [21147] Rhabdolichops jegui | Appellations de Taxon | 21147 |
| [21148] Sternopygus macrurus | Appellations de Taxon | 21148 |
| [21149] Osteoglossidae | Appellations de Taxon | 21149 |
| [2115] Hypophthalmichthys molitrix | Appellations de Taxon | 2115 |
| [21150] Osteoglossum bicirrhosum | Appellations de Taxon | 21150 |
| [21151] Synbranchidae | Appellations de Taxon | 21151 |
| [21152] Synbranchus marmoratus | Appellations de Taxon | 21152 |
| [21153] Tetraodontidae | Appellations de Taxon | 21153 |
| [21154] Colomesus psittacus | Appellations de Taxon | 21154 |
| [21155] Sphoeroides testudineus | Appellations de Taxon | 21155 |
| [21156] Ephippidae | Appellations de Taxon | 21156 |
| [21157] Chaetodipterus faber | Appellations de Taxon | 21157 |
| [21158] Gerreidae | Appellations de Taxon | 21158 |
| [21159] Eucinostomus havana | Appellations de Taxon | 21159 |
| [2116] Leucaspius | Appellations de Taxon | 2116 |
| [21160] Gobioides broussonnetii | Appellations de Taxon | 21160 |
| [21161] Gobionellus oceanicus | Appellations de Taxon | 21161 |
| [21162] Bunocephalinae | Appellations de Taxon | 21162 |
| [21163] Aspredinichthys filamentosus | Appellations de Taxon | 21163 |
| [21164] Aspredinichthys tibicen | Appellations de Taxon | 21164 |
| [21165] Aspredo aspredo | Appellations de Taxon | 21165 |
| [21166] Platystacus cotylephorus | Appellations de Taxon | 21166 |
| [21167] Bunocephalus amaurus | Appellations de Taxon | 21167 |
| [21168] Auchenipteridae | Appellations de Taxon | 21168 |
| [21169] Auchenipterinae | Appellations de Taxon | 21169 |
| [2117] Leucaspius delineatus | Appellations de Taxon | 2117 |
| [21170] Centromochlinae | Appellations de Taxon | 21170 |
| [21171] Auchenipterus dentatus | Appellations de Taxon | 21171 |