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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