Fiddler Crab (Brackish)
Uca sp.
Invertebrates
5 cm Mostly Peaceful
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Fish Compatibility Guide
Find out which freshwater fish can live together. Select a species below to view its compatibility with every other fish in our database, including tank size requirements, water parameter overlap, and temperament assessments.
Showing 265 - 288 of 736 Fish Species
Figure 8 Puffer (Brackish)
Dichotomyctere ocellatus
Puffers
8 cm Aggressive
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Filament Barb
Dawkinsia filamentosa
Cyprinids
15 cm Mostly Peaceful
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Finger Fish
Monodactylus argenteus
Oddballs
25 cm Semi-Aggressive
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Fire Eel
Mastacembelus erythrotaenia
Oddballs
90 cm Mostly Peaceful
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Fire Tetra
Hyphessobrycon flammeus
Characins
3.5 cm Peaceful
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Firemouth Cichlid
Thorichthys meeki
Cichlids - Central American
15 cm Semi-Aggressive
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Five Banded Barb
Desmopuntius pentazona
Cyprinids
5 cm Peaceful
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Flag Tetra
Hyphessobrycon heterorhabdus
Characins
4.5 cm Peaceful
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Flagtail Cory (Mrs Schwartz's Cory)
Corydoras robineae
Catfish
5.5 cm Peaceful
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Flagtail Prochilodus
Semaprochilodus insignis
Characins
30 cm Semi-Aggressive
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Flash Pleco (L204)
Panaqolus albomaculatus
Catfish
13 cm Mostly Peaceful
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Flavus Cichlid (Pseudotropheus Flavus)
Chindongo flavus
Cichlids - African
10 cm Aggressive
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Florida Flagfish
Jordanella floridae
Killifish
6 cm Semi-Aggressive
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Florida Gar
Lepisosteus platyrhincus
Oddballs
80 cm Aggressive
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Flower Stingray
Potamotrygon schroederi
Oddballs
60 cm Semi-Aggressive
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Flowerhorn Cichlid
Hybrid cichlid (Amphilophus cross)
Cichlids - Central American
30 cm Highly Aggressive
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Fly River Rainbowfish
Melanotaenia sexlineata
Rainbowfish
7.5 cm Peaceful
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Flying Fox
Epalzeorhynchos kalopterus
Cyprinids
15 cm Aggressive
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Flyspeck Hardyhead
Craterocephalus stercusmuscarum
Other
7 cm Peaceful
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Forktail Blue-eye
Pseudomugil furcatus
Rainbowfish
5 cm Peaceful
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Fort Maguire Peacock
Aulonocara hansbaenschi
Cichlids - African
13 cm Semi-Aggressive
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Fosso Cichlid (Fossorochromis rostratus)
Fossorochromis rostratus
Cichlids - African
30 cm Semi-Aggressive
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Freshwater Angelfish
Pterophyllum scalare
Cichlids - South American
15 cm Semi-Aggressive
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