| Видове риби в река Cross - източник Fishbase.org. |
| Вид | Семейство |
| Aethiomastacembelus sexdecimspinus | Mastacembelidae |
| Alestes macrophthalmus | Alestiidae |
| Amphilius atesuensis | Amphiliidae |
| Aphyosemion bivittatum | Aplocheilidae |
| Aphyosemion calliurum | Aplocheilidae |
| Aphyosemion cameronense | Aplocheilidae |
| Aphyosemion splendopleure | Aplocheilidae |
| Aplocheilichthys macrophthalmus macrophthalmus | Poeciliidae |
| Aplocheilichthys spilauchen | Poeciliidae |
| Auchenoglanis occidentalis | Bagridae |
| Awaous lateristriga | Gobiidae |
| Bagrus docmak | Bagridae |
| Barbus ablabes | Cyprinidae |
| Barbus aboinensis | Cyprinidae |
| Barbus batesii | Cyprinidae |
| Barbus callipterus | Cyprinidae |
| Barbus chlorotaenia | Cyprinidae |
| Barbus nigeriensis | Cyprinidae |
| Barbus progenys | Cyprinidae |
| Barbus punctitaeniatus | Cyprinidae |
| Barbus stigmatopygus | Cyprinidae |
| Barbus sublineatus | Cyprinidae |
| Benitochromis batesii | Cichlidae |
| Bostrychus africanus | Eleotridae |
| Brienomyrus brachyistius | Mormyridae |
| Brienomyrus kingsleyae kingsleyae | Mormyridae |
| Brycinus intermedius | Alestiidae |
| Brycinus longipinnis | Alestiidae |
| Brycinus macrolepidotus | Alestiidae |
| Brycinus nurse | Alestiidae |
| Bryconaethiops quinquesquamae | Alestiidae |
| Caecomastacembelus cryptacanthus | Mastacembelidae |
| Chiloglanis batesii | Mochokidae |
| Chiloglanis disneyi | Mochokidae |
| Chiloglanis niger | Mochokidae |
| Chiloglanis polypogon | Mochokidae |
| Chromidotilapia guentheri guentheri | Cichlidae |
| Chrysichthys aluuensis | Bagridae |
| Chrysichthys auratus auratus | Bagridae |
| Chrysichthys nigrodigitatus | Bagridae |
| Citharinus citharus citharus | Citharinidae |
| Citharinus latus | Citharinidae |
| Clarias agboyiensis | Clariidae |
| Clarias anguillaris | Clariidae |
| Clarias buthupogon | Clariidae |
| Clarias camerunensis | Clariidae |
| Clarias jaensis | Clariidae |
| Clarias macromystax | Clariidae |
| Clarias pachynema | Clariidae |
| Ctenopoma kingsleyae | Anabantidae |
| Ctenopoma nebulosum | Anabantidae |
| Cynothrissa mento | Clupeidae |
| Dasyatis garouaensis | Dasyatidae |
| Distichodus engycephalus | Citharinidae |
| Distichodus rostratus | Citharinidae |
| Dormitator lebretonis | Eleotridae |
| Doumea thysi | Amphiliidae |
| Eleotris daganensis | Eleotridae |
| Eleotris vittata | Eleotridae |
| Epiplatys biafranus | Aplocheilidae |
| Epiplatys grahami | Aplocheilidae |
| Epiplatys sexfasciatus | Aplocheilidae |
| Erpetoichthys calabaricus | Polypteridae |
| Fundulopanchax cinnamomeum | Aplocheilidae |
| Fundulopanchax gardneri gardneri | Aplocheilidae |
| Fundulopanchax mirabilis | Aplocheilidae |
| Fundulopanchax ndianus | Aplocheilidae |
| Fundulopanchax scheeli | Aplocheilidae |
| Fundulopanchax sjostedti | Aplocheilidae |
| Fundulopanchax spoorenbergi | Aplocheilidae |
| Gnathonemus petersii | Mormyridae |
| Gobiocichla ethelwynnae | Cichlidae |
| Gobioides sagitta | Gobiidae |
| Gymnallabes typus | Clariidae |
| Gymnarchus niloticus | Gymnarchidae |
| Hemichromis bimaculatus | Cichlidae |
| Hemichromis fasciatus | Cichlidae |
| Hepsetus odoe | Hepsetidae |
| Heterobranchus isopterus | Clariidae |
| Heterobranchus longifilis | Clariidae |
| Heterotis niloticus | Osteoglossidae |
| Hippopotamyrus castor | Mormyridae |
| Hydrocynus vittatus | Alestiidae |
| Isichthys henryi | Mormyridae |
| Kribia kribensis | Eleotridae |
| Kribia nana | Eleotridae |
| Labeo batesii | Cyprinidae |
| Labeo coubie | Cyprinidae |
| Labeo parvus | Cyprinidae |
| Lates niloticus | Centropomidae |
| Leptocypris crossensis | Cyprinidae |
| Leptocypris niloticus | Cyprinidae |
| Malapterurus electricus | Malapteruridae |
| Marcusenius mento | Mormyridae |
| Micralestes elongatus | Alestiidae |
| Micralestes humilis | Alestiidae |
| Mormyrops anguilloides | Mormyridae |
| Mormyrus rume rume | Mormyridae |
| Mormyrus tapirus | Mormyridae |
| Nannaethiops unitaeniatus | Citharinidae |
| Nannocharax fasciatus | Citharinidae |
| Pantodon buchholzi | Pantodontidae |
| Papyrocranus afer | Notopteridae |
| Parachanna africana | Channidae |
| Parachanna obscura | Channidae |
| Parailia pellucida | Schilbeidae |
| Parauchenoglanis akiri | Bagridae |
| Parauchenoglanis guttatus | Bagridae |
| Pareutropius buffei | Schilbeidae |
| Pellonula leonensis | Clupeidae |
| Pellonula vorax | Clupeidae |
| Pelvicachromis pulcher | Cichlidae |
| Periophthalmus barbarus | Gobiidae |
| Petrocephalus ansorgii | Mormyridae |
| Petrocephalus bovei bovei | Mormyridae |
| Petrocephalus simus | Mormyridae |
| Phago loricatus | Citharinidae |
| Phractura clauseni | Amphiliidae |
| Porogobius schlegelii | Gobiidae |
| Procatopus aberrans | Poeciliidae |
| Procatopus nototaenia | Poeciliidae |
| Procatopus similis | Poeciliidae |
| Protopterus annectens annectens | Protopteridae |
| Raiamas nigeriensis | Cyprinidae |
| Raiamas senegalensis | Cyprinidae |
| Rhabdalestes septentrionalis | Alestiidae |
| Sarotherodon galilaeus galilaeus | Cichlidae |
| Schilbe brevianalis | Schilbeidae |
| Schilbe intermedius | Schilbeidae |
| Schilbe micropogon | Schilbeidae |
| Schilbe mystus | Schilbeidae |
| Schilbe uranoscopus | Schilbeidae |
| Synodontis obesus | Mochokidae |
| Synodontis robbianus | Mochokidae |
| Synodontis schall | Mochokidae |
| Tetraodon pustulatus | Tetraodontidae |
| Thysochromis ansorgii | Cichlidae |
| Tilapia guineensis | Cichlidae |
| Tilapia mariae | Cichlidae |
| Tylochromis sudanensis | Cichlidae |