Order	Family	Species	Status	FB name	Name
Characiformes	Anostomidae	Abramites hypselonotus	native	Marbled headstander	Piau-tambaqui
Siluriformes	Loricariidae	Acanthicus adonis	native		Acary avion
Siluriformes	Loricariidae	Acanthicus hystrix	native
Siluriformes	Doradidae	Acanthodoras cataphractus	native	Spiny catfish	Daqueiro
Siluriformes	Doradidae	Acanthodoras depressus	native
Siluriformes	Doradidae	Acanthodoras spinosissimus	native	Talking catfish
Siluriformes	Trichomycteridae	Acanthopoma annectens	native
Perciformes	Cichlidae	Acarichthys heckelii	native	Threadfin acara
Perciformes	Cichlidae	Acaronia nassa	native	Bigeye cichlid
Perciformes	Cichlidae	Acaronia vultuosa	native
Siluriformes	Heptapteridae	Acentronichthys leptos	endemic		Bagre
Siluriformes	Loricariidae	Acestridium discus	native
Siluriformes	Loricariidae	Acestridium triplax	native
Characiformes	Characidae	Acestrocephalus acutus	native
Characiformes	Characidae	Acestrocephalus maculosus	native
Characiformes	Characidae	Acestrocephalus nigrifasciatus	native
Characiformes	Characidae	Acestrocephalus pallidus	native
Characiformes	Characidae	Acestrocephalus sardina	native
Characiformes	Characidae	Acestrocephalus stigmatus	native
Characiformes	Acestrorhynchidae	Acestrorhynchus abbreviatus	native		Cachorrinho
Characiformes	Acestrorhynchidae	Acestrorhynchus altus	native		Cachorrinho
Characiformes	Acestrorhynchidae	Acestrorhynchus britskii	native		Peixe cachorro
Characiformes	Acestrorhynchidae	Acestrorhynchus falcatus	native		Ueua
Characiformes	Acestrorhynchidae	Acestrorhynchus falcirostris	native		Peixe cachorro
Characiformes	Acestrorhynchidae	Acestrorhynchus grandoculis	native		Peixe cachorro
Characiformes	Acestrorhynchidae	Acestrorhynchus heterolepis	native		Peixe cachorro
Characiformes	Acestrorhynchidae	Acestrorhynchus isalineae	native
Characiformes	Acestrorhynchidae	Acestrorhynchus lacustris	native		Peixe-cadela
Characiformes	Acestrorhynchidae	Acestrorhynchus maculipinna	native		Peixe cachorro
Characiformes	Acestrorhynchidae	Acestrorhynchus microlepis	native	Pike characin	Cachorinho
Characiformes	Acestrorhynchidae	Acestrorhynchus minimus	native		Cachorrinho
Characiformes	Acestrorhynchidae	Acestrorhynchus nasutus	native		Cachorrinho
Characiformes	Acestrorhynchidae	Acestrorhynchus pantaneiro	native		Peixe cachorro
Pleuronectiformes	Achiridae	Achirus achirus	native	Drab sole	Linguado
Characiformes	Characidae	Acinocheirodon melanogramma	native		Lambari
Characiformes	Characidae	Acnodon normani	native	Sheep-pacu	Pacu
Characiformes	Characidae	Acnodon senai	native
Gymnotiformes	Apteronotidae	Adontosternarchus balaenops	native
Gymnotiformes	Apteronotidae	Adontosternarchus clarkae	native
Gymnotiformes	Apteronotidae	Adontosternarchus devenanzii	native
Gymnotiformes	Apteronotidae	Adontosternarchus nebulosus	native
Gymnotiformes	Apteronotidae	Adontosternarchus sachsi	native
Perciformes	Cichlidae	Aequidens diadema	native
Perciformes	Cichlidae	Aequidens epae	native
Perciformes	Cichlidae	Aequidens gerciliae	endemic
Perciformes	Cichlidae	Aequidens hoehnei	native
Perciformes	Cichlidae	Aequidens mauesanus	native
Perciformes	Cichlidae	Aequidens michaeli	native
Perciformes	Cichlidae	Aequidens pallidus	native	Doublespot acara
Perciformes	Cichlidae	Aequidens plagiozonatus	native
Perciformes	Cichlidae	Aequidens rondoni	native
Perciformes	Cichlidae	Aequidens tetramerus	native	Saddle cichlid	Carà
Perciformes	Cichlidae	Aequidens tubicen	native
Perciformes	Cichlidae	Aequidens viridis	native		Acará cascudo
Siluriformes	Doradidae	Agamyxis pectinifrons	native	Whitebarred catfish
Siluriformes	Auchenipteridae	Ageneiosus atronasus	native
Siluriformes	Auchenipteridae	Ageneiosus brevis	native
Siluriformes	Auchenipteridae	Ageneiosus inermis	native	Manduba	Palmito
Siluriformes	Auchenipteridae	Ageneiosus militaris	native		Fidalgo
Siluriformes	Auchenipteridae	Ageneiosus piperatus	native
Siluriformes	Auchenipteridae	Ageneiosus polystictus	native
Siluriformes	Auchenipteridae	Ageneiosus ucayalensis	native		Bocudo
Siluriformes	Auchenipteridae	Ageneiosus vittatus	native
Characiformes	Characidae	Agoniates anchovia	native
Characiformes	Characidae	Agoniates halecinus	native		Maiaca
Siluriformes	Pimelodidae	Aguarunichthys inpai	native
Siluriformes	Pimelodidae	Aguarunichthys tocantinsensis	native
Siluriformes	Aspredinidae	Amaralia hypsiura	native
Clupeiformes	Engraulidae	Amazonsprattus scintilla	native	Rio Negro pygmy anchovy
Siluriformes	Doradidae	Amblydoras affinis	native
Siluriformes	Doradidae	Amblydoras hancockii	native	Blue-eye catfish	Qui ri - qui ri
Siluriformes	Doradidae	Amblydoras monitor	native
Characiformes	Crenuchidae	Ammocryptocharax elegans	native
Characiformes	Crenuchidae	Ammocryptocharax minutus	native
Siluriformes	Trichomycteridae	Ammoglanis diaphanus	native
Cyprinodontiformes	Anablepidae	Anableps anableps	native	Largescale foureyes	Quatro-olhos
Cyprinodontiformes	Anablepidae	Anableps microlepis	native	Foureyes	Tralhote
Siluriformes	Doradidae	Anadoras insculptus	native
Siluriformes	Doradidae	Anadoras regani	native		qui ri - qui ri
Siluriformes	Doradidae	Anadoras weddellii	native		Carataí
Clupeiformes	Engraulidae	Anchoa spinifer	native	Spicule anchovy	Sardinha
Clupeiformes	Engraulidae	Anchovia surinamensis	native	Surinam anchovy
Clupeiformes	Engraulidae	Anchoviella carrikeri	native	Carriker's anchovy
Clupeiformes	Engraulidae	Anchoviella guianensis	native	Guyana anchovy	Sardinha
Clupeiformes	Engraulidae	Anchoviella jamesi	native	James's anchovy
Clupeiformes	Engraulidae	Anchoviella lepidentostole	native	Broadband anchovy	Sardinha
Clupeiformes	Engraulidae	Anchoviella vaillanti	endemic	Vaillant's anchovy	Manjuba
Siluriformes	Loricariidae	Ancistrus aguaboensis	native
Siluriformes	Loricariidae	Ancistrus brevipinnis	endemic
Siluriformes	Loricariidae	Ancistrus cirrhosus	misidentification	Jumbie teta
Siluriformes	Loricariidae	Ancistrus claro	endemic
Siluriformes	Loricariidae	Ancistrus cryptophthalmus	endemic
Siluriformes	Loricariidae	Ancistrus damasceni	endemic
Siluriformes	Loricariidae	Ancistrus dolichopterus	native	Bushymouth catfish	Cascudo negro aba branca
Siluriformes	Loricariidae	Ancistrus dubius	native		Vieja
Siluriformes	Loricariidae	Ancistrus formoso	endemic
Siluriformes	Loricariidae	Ancistrus fulvus	endemic
Siluriformes	Loricariidae	Ancistrus hoplogenys	native		Bodozinho
Siluriformes	Loricariidae	Ancistrus jataiensis	native
Siluriformes	Loricariidae	Ancistrus latifrons	native
Siluriformes	Loricariidae	Ancistrus maculatus	endemic
Siluriformes	Loricariidae	Ancistrus mattogrossensis	native
Siluriformes	Loricariidae	Ancistrus minutus	endemic
Siluriformes	Loricariidae	Ancistrus multispinis	endemic		Barbadinho
Siluriformes	Loricariidae	Ancistrus parecis	native
Siluriformes	Loricariidae	Ancistrus ranunculus	endemic		Cascudo preto velho
Siluriformes	Loricariidae	Ancistrus reisi	native
Siluriformes	Loricariidae	Ancistrus salgadae	endemic
Siluriformes	Loricariidae	Ancistrus stigmaticus	endemic		Barbadinho
Siluriformes	Loricariidae	Ancistrus taunayi	native		Cascudo de espinhos
Siluriformes	Loricariidae	Ancistrus tombador	native
Siluriformes	Loricariidae	Ancistrus verecundus	native
Siluriformes	Doradidae	Anduzedoras oxyrhynchus	native
Anguilliformes	Anguillidae	Anguilla anguilla	not established	European eel	Enguia
Anguilliformes	Anguillidae	Anguilla japonica	not established	Japanese eel	Enguia
Characiformes	Hemiodontidae	Anodus elongatus	native		Ubarana
Characiformes	Hemiodontidae	Anodus orinocensis	native		Ubarana
Characiformes	Anostomidae	Anostomoides laticeps	native		Araçu
Characiformes	Anostomidae	Anostomoides passionis	native
Characiformes	Anostomidae	Anostomus anostomus	native	Striped headstander	Anostomo
Characiformes	Anostomidae	Anostomus intermedius	native
Characiformes	Anostomidae	Anostomus ternetzi	native		Anostomo
Characiformes	Parodontidae	Apareiodon affinis	native	Darter characine	Duro-duro
Characiformes	Parodontidae	Apareiodon argenteus	native
Characiformes	Parodontidae	Apareiodon cavalcante	native
Characiformes	Parodontidae	Apareiodon davisi	native		Piaba-rei
Characiformes	Parodontidae	Apareiodon hasemani	native		Canivete
Characiformes	Parodontidae	Apareiodon ibitiensis	native		Ibiti sucker characin
Characiformes	Parodontidae	Apareiodon itapicuruensis	native
Characiformes	Parodontidae	Apareiodon machrisi	native
Characiformes	Parodontidae	Apareiodon piracicabae	native		Canivete
Characiformes	Parodontidae	Apareiodon tigrinus	native
Characiformes	Parodontidae	Apareiodon vittatus	native
Characiformes	Parodontidae	Apareiodon vladii	native
Siluriformes	Loricariidae	Aphanotorulus unicolor	native
Characiformes	Characidae	Aphyocharax agassizii	native
Characiformes	Characidae	Aphyocharax alburnus	native	Goldencrown tetra
Characiformes	Characidae	Aphyocharax anisitsi	native	Bloodfin tetra
Characiformes	Characidae	Aphyocharax dentatus	native
Characiformes	Characidae	Aphyocharax nattereri	native
Characiformes	Characidae	Aphyocharax paraguayensis	native
Characiformes	Characidae	Aphyocheirodon hemigrammus	native		Lambari
Cyprinodontiformes	Rivulidae	Aphyolebias boticarioi	native
Pleuronectiformes	Achiridae	Apionichthys asphyxiatus	native		Sóia
Pleuronectiformes	Achiridae	Apionichthys dumerili	native	Longtail sole	Linguado
Pleuronectiformes	Achiridae	Apionichthys finis	native		Linguado
Pleuronectiformes	Achiridae	Apionichthys menezesi	native
Pleuronectiformes	Achiridae	Apionichthys nattereri	native		Linguado
Pleuronectiformes	Achiridae	Apionichthys rosai	native
Pleuronectiformes	Achiridae	Apionichthys seripierriae	native
Perciformes	Cichlidae	Apistogramma acrensis	native
Perciformes	Cichlidae	Apistogramma agassizii	native	Agassiz's dwarf cichlid	Agassízi
Perciformes	Cichlidae	Apistogramma amoena	misidentification	Pleasant cichlid
Perciformes	Cichlidae	Apistogramma angayuara	native
Perciformes	Cichlidae	Apistogramma arua	native
Perciformes	Cichlidae	Apistogramma bitaeniata	native
Perciformes	Cichlidae	Apistogramma borellii	native	Umbrella cichlid
Perciformes	Cichlidae	Apistogramma brevis	native
Perciformes	Cichlidae	Apistogramma cacatuoides	native	Cockatoo cichlid
Perciformes	Cichlidae	Apistogramma caetei	native
Perciformes	Cichlidae	Apistogramma commbrae	native	Corumba cichlid
Perciformes	Cichlidae	Apistogramma diplotaenia	native
Perciformes	Cichlidae	Apistogramma elizabethae	native
Perciformes	Cichlidae	Apistogramma eunotus	native
Perciformes	Cichlidae	Apistogramma geisleri	native
Perciformes	Cichlidae	Apistogramma gephyra	native
Perciformes	Cichlidae	Apistogramma gibbiceps	native
Perciformes	Cichlidae	Apistogramma gossei	native
Perciformes	Cichlidae	Apistogramma hippolytae	native
Perciformes	Cichlidae	Apistogramma inconspicua	native
Perciformes	Cichlidae	Apistogramma juruensis	native
Perciformes	Cichlidae	Apistogramma maciliense	native
Perciformes	Cichlidae	Apistogramma meinkeni	native
Perciformes	Cichlidae	Apistogramma mendezi	native
Perciformes	Cichlidae	Apistogramma moae	native
Perciformes	Cichlidae	Apistogramma paucisquamis	native
Perciformes	Cichlidae	Apistogramma personata	native
Perciformes	Cichlidae	Apistogramma pertensis	endemic	Amazon dwarf cichlid
Perciformes	Cichlidae	Apistogramma piauiensis	native
Perciformes	Cichlidae	Apistogramma pulchra	native
Perciformes	Cichlidae	Apistogramma regani	native
Perciformes	Cichlidae	Apistogramma resticulosa	native
Perciformes	Cichlidae	Apistogramma rupununi	native	Two-spot Apistogramma
Perciformes	Cichlidae	Apistogramma salpinction	native
Perciformes	Cichlidae	Apistogramma staecki	native
Perciformes	Cichlidae	Apistogramma taeniata	native
Perciformes	Cichlidae	Apistogramma trifasciata	native
Perciformes	Cichlidae	Apistogramma tucurui	native
Perciformes	Cichlidae	Apistogramma uaupesi	native
Perciformes	Cichlidae	Apistogramma wapisana	native
Gymnotiformes	Apteronotidae	Apteronotus albifrons	native	Black ghost	Itoui cavalo
Gymnotiformes	Apteronotidae	Apteronotus bonapartii	native
Gymnotiformes	Apteronotidae	Apteronotus brasiliensis	native
Gymnotiformes	Apteronotidae	Apteronotus camposdapazi	native
Gymnotiformes	Apteronotidae	Apteronotus caudimaculosus	native
Gymnotiformes	Apteronotidae	Apteronotus leptorhynchus	native
Gymnotiformes	Apteronotidae	Apteronotus macrolepis	native
Osteoglossiformes	Arapaimidae	Arapaima gigas	native	Arapaima	Bodeco
Gymnotiformes	Sternopygidae	Archolaemus blax	native
Characiformes	Hemiodontidae	Argonectes longiceps	native		Jatuarana
Characiformes	Hemiodontidae	Argonectes robertsi	native		Jatuarana
Cypriniformes	Cyprinidae	Aristichthys nobilis	not established	Bighead carp
Siluriformes	Callichthyidae	Aspidoras albater	native	False macropterus
Siluriformes	Callichthyidae	Aspidoras belenos	native
Siluriformes	Callichthyidae	Aspidoras brunneus	native
Siluriformes	Callichthyidae	Aspidoras carvalhoi	native
Siluriformes	Callichthyidae	Aspidoras depinnai	native
Siluriformes	Callichthyidae	Aspidoras eurycephalus	native
Siluriformes	Callichthyidae	Aspidoras fuscoguttatus	native
Siluriformes	Callichthyidae	Aspidoras lakoi	native
Siluriformes	Callichthyidae	Aspidoras maculosus	native
Siluriformes	Callichthyidae	Aspidoras menezesi	native
Siluriformes	Callichthyidae	Aspidoras microgalaeus	native
Siluriformes	Callichthyidae	Aspidoras pauciradiatus	native	Sixray corydoras
Siluriformes	Callichthyidae	Aspidoras poecilus	native
Siluriformes	Callichthyidae	Aspidoras psammatides	native
Siluriformes	Callichthyidae	Aspidoras raimundi	native
Siluriformes	Callichthyidae	Aspidoras rochai	native		Comboeiro
Siluriformes	Callichthyidae	Aspidoras spilotus	native
Siluriformes	Callichthyidae	Aspidoras taurus	native
Siluriformes	Callichthyidae	Aspidoras velites	native
Siluriformes	Callichthyidae	Aspidoras virgulatus	native
Siluriformes	Ariidae	Aspistor luniscutis	native		Bagre amarelo
Siluriformes	Ariidae	Aspistor quadriscutis	native	Bressou sea catfish	Bagre
Siluriformes	Aspredinidae	Aspredinichthys filamentosus	native	Sevenbarbed banjo
Siluriformes	Aspredinidae	Aspredinichthys tibicen	native	Tenbarbed banjo	Viola
Siluriformes	Aspredinidae	Aspredo aspredo	native	Banjo	Viola
Siluriformes	Auchenipteridae	Asterophysus batrachus	native
Siluriformes	Doradidae	Astrodoras asterifrons	native
Perciformes	Cichlidae	Astronotus crassipinnis	native		Acará açu
Perciformes	Cichlidae	Astronotus ocellatus	native	Oscar	Corró-baiano
Characiformes	Characidae	Astyanacinus goyanensis	native
Characiformes	Characidae	Astyanacinus moorii	native
Characiformes	Characidae	Astyanax abramis	native		Acará-pixuma
Characiformes	Characidae	Astyanax alburnus	native
Characiformes	Characidae	Astyanax altiparanae	native
Characiformes	Characidae	Astyanax anterior	native
Characiformes	Characidae	Astyanax argyrimarginatus	native
Characiformes	Characidae	Astyanax bimaculatus	native	Twospot astyanax	Machadinha
Characiformes	Characidae	Astyanax biotae	native
Characiformes	Characidae	Astyanax bockmanni	native
Characiformes	Characidae	Astyanax bourgeti	native
Characiformes	Characidae	Astyanax brachypterygium	native
Characiformes	Characidae	Astyanax brevirhinus	native
Characiformes	Characidae	Astyanax clavitaeniatus	native
Characiformes	Characidae	Astyanax cremnobates	native
Characiformes	Characidae	Astyanax depressirostris	native
Characiformes	Characidae	Astyanax dnophos	native
Characiformes	Characidae	Astyanax eigenmanniorum	native
Characiformes	Characidae	Astyanax elachylepis	native
Characiformes	Characidae	Astyanax epiagos	native
Characiformes	Characidae	Astyanax fasciatus	native	Banded astyanax
Characiformes	Characidae	Astyanax giton	native
Characiformes	Characidae	Astyanax goyacensis	native
Characiformes	Characidae	Astyanax gracilior	native
Characiformes	Characidae	Astyanax guaporensis	native
Characiformes	Characidae	Astyanax gymnogenys	native
Characiformes	Characidae	Astyanax hastatus	native
Characiformes	Characidae	Astyanax henseli	native
Characiformes	Characidae	Astyanax intermedius	native
Characiformes	Characidae	Astyanax jacobinae	native	Piaba	Piaba
Characiformes	Characidae	Astyanax jacuhiensis	native
Characiformes	Characidae	Astyanax janeiroensis	native
Characiformes	Characidae	Astyanax jenynsii	native
Characiformes	Characidae	Astyanax kullanderi	native
Characiformes	Characidae	Astyanax lacustris	native
Characiformes	Characidae	Astyanax laticeps	native
Characiformes	Characidae	Astyanax leopoldi	native
Characiformes	Characidae	Astyanax lineatus	native
Characiformes	Characidae	Astyanax maculisquamis	native
Characiformes	Characidae	Astyanax marionae	native
Characiformes	Characidae	Astyanax microschemos	native
Characiformes	Characidae	Astyanax multidens	native
Characiformes	Characidae	Astyanax obscurus	native
Characiformes	Characidae	Astyanax parahybae	native		Lambari
Characiformes	Characidae	Astyanax paranae	native
Characiformes	Characidae	Astyanax paranahybae	native
Characiformes	Characidae	Astyanax pedri	native		Lambari
Characiformes	Characidae	Astyanax pelecus	native
Characiformes	Characidae	Astyanax ribeirae	native
Characiformes	Characidae	Astyanax rivularis	native
Characiformes	Characidae	Astyanax saltor	native
Characiformes	Characidae	Astyanax scabripinnis	native
Characiformes	Characidae	Astyanax schubarti	native
Characiformes	Characidae	Astyanax stilbe	native
Characiformes	Characidae	Astyanax symmetricus	native
Characiformes	Characidae	Astyanax taeniatus	native		Piaba-branca
Characiformes	Characidae	Astyanax totae	native
Characiformes	Characidae	Astyanax trierythropterus	native
Characiformes	Characidae	Astyanax turmalinensis	native
Characiformes	Characidae	Astyanax unitaeniatus	native
Characiformes	Characidae	Astyanax utiariti	native
Characiformes	Characidae	Astyanax varzeae	native
Characiformes	Characidae	Atopomesus pachyodus	native
Siluriformes	Auchenipteridae	Auchenipterichthys longimanus	native
Siluriformes	Auchenipteridae	Auchenipterichthys punctatus	native
Siluriformes	Auchenipteridae	Auchenipterus ambyiacus	native
Siluriformes	Auchenipteridae	Auchenipterus brachyurus	native
Siluriformes	Auchenipteridae	Auchenipterus britskii	native
Siluriformes	Auchenipteridae	Auchenipterus fordicei	native
Siluriformes	Auchenipteridae	Auchenipterus menezesi	native		Peixe-gato
Siluriformes	Auchenipteridae	Auchenipterus nigripinnis	native		Hocicón
Siluriformes	Auchenipteridae	Auchenipterus nuchalis	native		Mandi peruano
Siluriformes	Auchenipteridae	Auchenipterus osteomystax	native		Palmitinho
Perciformes	Cichlidae	Australoheros charrua	native
Perciformes	Cichlidae	Australoheros facetus	native	Chameleon cichlid
Perciformes	Cichlidae	Australoheros forquilha	native
Perciformes	Cichlidae	Australoheros kaaygua	native
Perciformes	Cichlidae	Australoheros minuano	native
Perciformes	Cichlidae	Australoheros ribeirae	endemic
Perciformes	Cichlidae	Australoheros scitulus	native
Cyprinodontiformes	Rivulidae	Austrolebias adloffi	native
Cyprinodontiformes	Rivulidae	Austrolebias affinis	questionable
Cyprinodontiformes	Rivulidae	Austrolebias alexandri	native
Cyprinodontiformes	Rivulidae	Austrolebias carvalhoi	endemic
Cyprinodontiformes	Rivulidae	Austrolebias charrua	native
Cyprinodontiformes	Rivulidae	Austrolebias cyaneus	native
Cyprinodontiformes	Rivulidae	Austrolebias gymnoventris	questionable
Cyprinodontiformes	Rivulidae	Austrolebias ibicuiensis	native
Cyprinodontiformes	Rivulidae	Austrolebias jaegari	native
Cyprinodontiformes	Rivulidae	Austrolebias juanlangi	native
Cyprinodontiformes	Rivulidae	Austrolebias litzi	native
Cyprinodontiformes	Rivulidae	Austrolebias luteoflammulatus	native
Cyprinodontiformes	Rivulidae	Austrolebias melanoorus	questionable
Cyprinodontiformes	Rivulidae	Austrolebias minuano	native
Cyprinodontiformes	Rivulidae	Austrolebias nachtigalli	native
Cyprinodontiformes	Rivulidae	Austrolebias nigrofasciatus	native
Cyprinodontiformes	Rivulidae	Austrolebias patriciae	questionable
Cyprinodontiformes	Rivulidae	Austrolebias paucisquama	native
Cyprinodontiformes	Rivulidae	Austrolebias periodicus	native
Cyprinodontiformes	Rivulidae	Austrolebias salviai	native
Cyprinodontiformes	Rivulidae	Austrolebias univentripinnis	native
Cyprinodontiformes	Rivulidae	Austrolebias varzeae	native
Cyprinodontiformes	Rivulidae	Austrolebias vazferreirai	questionable
Perciformes	Gobiidae	Awaous flavus	native
Perciformes	Gobiidae	Awaous tajasica	native	Sand fish
Characiformes	Characidae	Axelrodia lindeae	native
Characiformes	Characidae	Axelrodia stigmatias	native
Siluriformes	Ariidae	Bagre marinus	native	Gafftopsail sea catfish	Bagre-de-penacho
Siluriformes	Pimelodidae	Bagropsis reinhardti	native		Mandi-bagre
Characiformes	Characidae	Bario steindachneri	native		Lambari
Siluriformes	Loricariidae	Baryancistrus longipinnis	endemic
Siluriformes	Loricariidae	Baryancistrus niveatus	endemic
Siluriformes	Pseudopimelodidae	Batrochoglanis melanurus	native
Siluriformes	Pseudopimelodidae	Batrochoglanis raninus	native		Pacamao
Siluriformes	Pseudopimelodidae	Batrochoglanis villosus	native
Beloniformes	Belonidae	Belonion apodion	native
Beloniformes	Belonidae	Belonion dibranchodon	native
Siluriformes	Pimelodidae	Bergiaria westermanni	native
Perciformes	Osphronemidae	Betta splendens	introduced	Siamese fighting fish
Perciformes	Cichlidae	Biotodoma cupido	native	Greenstreaked eartheater
Perciformes	Cichlidae	Biotodoma wavrini	native	Orinoco eartheater
Perciformes	Cichlidae	Biotoecus opercularis	native
Characiformes	Hemiodontidae	Bivibranchia fowleri	native
Characiformes	Hemiodontidae	Bivibranchia notata	native
Characiformes	Hemiodontidae	Bivibranchia simulata	native
Characiformes	Hemiodontidae	Bivibranchia velox	native
Characiformes	Characidae	Boehlkea fredcochui	native	Cochu's blue tetra
Characiformes	Ctenoluciidae	Boulengerella cuvieri	native		Bicuda
Characiformes	Ctenoluciidae	Boulengerella lateristriga	native	Striped pike-characin
Characiformes	Ctenoluciidae	Boulengerella