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Freshwater Fish Species

All freshwater fish species found in rivers, lakes, streams, and ponds worldwide. From tiny tetras to the giant arapaima — covering every continent.

18,067
Total Species
1,926
Endangered (EN+CR)
1,910
Edible Species
204
Families
Blotched upsidedown catfish
Synodontis nigriventris
Mochokidae Least Concern
Blotchside darter
Percina burtoni
Percidae Vulnerable
Bloyet's haplo
Astatotilapia bloyeti
Cichlidae Data Deficient
Blue acara
Andinoacara pulcher
Cichlidae Least Concern Edible
Blue betta
Betta smaragdina
Osphronemidae Data Deficient Edible
Blue catfish
Ictalurus furcatus
Ictaluridae Least Concern Edible
Blue Cheek Dwarf Cichlid
Apistogramma eunotus
Cichlidae Least Concern Edible
Blue chub
Gila coerulea
Cyprinidae Least Concern
Blue corydoras
Corydoras nattereri
Callichthyidae Least Concern
Blue corydoras
Hoplisoma nattereri
Least Concern
Blue danio
Danio kerri
Cyprinidae Least Concern Edible
Blue discus
Symphysodon aequifasciatus
Cichlidae Least Concern
Blue dorsal Borneo sucker
Gastromyzon ctenocephalus
Balitoridae Near Threatened
Blue dwarf cichlid
Apistogramma eremnopyge
Cichlidae Least Concern
Blue flash
Thorichthys aureus
Cichlidae Data Deficient
Blue gularis
Fundulopanchax sjostedti
Nothobranchiidae Endangered Edible
Blue lampeye
Hylopanchax stictopleuron
Poeciliidae Least Concern
Blue lyretail
Fundulopanchax gardneri
Nothobranchiidae Least Concern
Blue Madagascar catfish
Gogo atratus
Anchariidae Data Deficient
Blue mbuna
Labeotropheus fuelleborni
Cichlidae Least Concern Edible
Blue notho
Nothobranchius patrizii
Nothobranchiidae Least Concern Edible
Blue orchid aulonocara
Aulonocara kandeense
Cichlidae Critically Endangered Edible
Blue panaque
Baryancistrus beggini
Loricariidae Vulnerable
Blue panchax
Aplocheilus panchax
Aplocheilidae Least Concern
Blue rainbowfish
Melanotaenia caerulea
Melanotaeniidae Vulnerable
Blue Ridge sculpin
Cottus caeruleomentum
Cottidae Least Concern
Blue shiner
Cyprinella caerulea
Cyprinidae Endangered
Blue Spot Betta
Betta brownorum
Osphronemidae Vulnerable
Blue spotted Guatamala toothcarp
Pseudoxiphophorus anzuetoi
Poeciliidae Least Concern
Blue spotted tilapia
Oreochromis leucostictus
Cichlidae Least Concern
Blue streak hap
Labidochromis caeruleus
Cichlidae Least Concern Edible
Blue sucker
Cycleptus elongatus
Catostomidae Least Concern
Blue tetra
Mimagoniates microlepis
Stevardiidae Least Concern
Blue tilapia
Oreochromis aureus
Cichlidae
Blue Victoria mouthbrooder
Haplochromis nubilus
Cichlidae Vulnerable
Blue-eye catfish
Platydoras hancockii
Doradidae Least Concern
Blue-eye cichlid
Cryptoheros spilurus
Cichlidae Data Deficient
Blue-eye panaque
Panaque suttonorum
Loricariidae Data Deficient
blue-eyed plec
Panaque cochliodon
Loricariidae Near Threatened
Blue-headed largemouth bream
Serranochromis alvum
Cichlidae
Blue-lined Rasbora
Trigonopoma gracile
Cyprinidae Least Concern
Blue-lipped Madagascar cichlid
Paretroplus tsimoly
Cichlidae Endangered
blue-striped rivulus
Laimosemion xiphidius
Rivulidae Least Concern
Bluebarred pygmy sunfish
Elassoma okatie
Elassomatidae Vulnerable
Bluebreast darter
Etheostoma camurum
Percidae Least Concern
Blueface darter
Etheostoma cyanoprosopum
Percidae
Bluefin killifish
Lucania goodei
Fundulidae Least Concern Edible
Bluefin notho
Nothobranchius rachovii
Nothobranchiidae Least Concern