Fiddler Crab (Brackish) & Figure 8 Puffer (Brackish)
Uca sp. · Dichotomyctere ocellatus
Fiddler Crab (Brackish): Mostly PeacefulFigure 8 Puffer (Brackish): Aggressive
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Fiddler Crab (Brackish) Tank Mates & Compatibility
Fiddler Crab (Brackish)
Uca sp.
TemperamentMostly Peaceful (3/10)
Adult Size5 cm
Temperature24–30°C
Water TypeBrackish Required
Swim ZoneBottom
StockingGroup of 3+
Showing 265 - 288 of 735 Tank Mates
Possible with Caution
Fiddler Crab (Brackish) & Filament Barb
Uca sp. · Dawkinsia filamentosa
Fiddler Crab (Brackish): Mostly PeacefulFilament Barb: Mostly Peaceful
Fiddler Crab (Brackish) & Finger Fish
Uca sp. · Monodactylus argenteus
Fiddler Crab (Brackish): Mostly PeacefulFinger Fish: Semi-Aggressive
Fiddler Crab (Brackish) & Fire Eel
Uca sp. · Mastacembelus erythrotaenia
Fiddler Crab (Brackish): Mostly PeacefulFire Eel: Mostly Peaceful
Fiddler Crab (Brackish) & Fire Tetra
Uca sp. · Hyphessobrycon flammeus
Fiddler Crab (Brackish): Mostly PeacefulFire Tetra: Peaceful
Fiddler Crab (Brackish) & Firemouth Cichlid
Uca sp. · Thorichthys meeki
Fiddler Crab (Brackish): Mostly PeacefulFiremouth Cichlid: Semi-Aggressive
Fiddler Crab (Brackish) & Five Banded Barb
Uca sp. · Desmopuntius pentazona
Fiddler Crab (Brackish): Mostly PeacefulFive Banded Barb: Peaceful
Fiddler Crab (Brackish) & Flag Tetra
Uca sp. · Hyphessobrycon heterorhabdus
Fiddler Crab (Brackish): Mostly PeacefulFlag Tetra: Peaceful
Fiddler Crab (Brackish) & Flagtail Cory (Mrs Schwartz's Cory)
Uca sp. · Corydoras robineae
Fiddler Crab (Brackish): Mostly PeacefulFlagtail Cory (Mrs Schwartz's Cory): Peaceful
Fiddler Crab (Brackish) & Flagtail Prochilodus
Uca sp. · Semaprochilodus insignis
Fiddler Crab (Brackish): Mostly PeacefulFlagtail Prochilodus: Semi-Aggressive
Fiddler Crab (Brackish) & Flash Pleco (L204)
Uca sp. · Panaqolus albomaculatus
Fiddler Crab (Brackish): Mostly PeacefulFlash Pleco (L204): Mostly Peaceful
Fiddler Crab (Brackish) & Flavus Cichlid (Pseudotropheus Flavus)
Uca sp. · Chindongo flavus
Fiddler Crab (Brackish): Mostly PeacefulFlavus Cichlid (Pseudotropheus Flavus): Aggressive
Fiddler Crab (Brackish) & Florida Flagfish
Uca sp. · Jordanella floridae
Fiddler Crab (Brackish): Mostly PeacefulFlorida Flagfish: Semi-Aggressive
Fiddler Crab (Brackish) & Florida Gar
Uca sp. · Lepisosteus platyrhincus
Fiddler Crab (Brackish): Mostly PeacefulFlorida Gar: Aggressive
Fiddler Crab (Brackish) & Flower Stingray
Uca sp. · Potamotrygon schroederi
Fiddler Crab (Brackish): Mostly PeacefulFlower Stingray: Semi-Aggressive
Fiddler Crab (Brackish) & Flowerhorn Cichlid
Uca sp. · Hybrid cichlid (Amphilophus cross)
Fiddler Crab (Brackish): Mostly PeacefulFlowerhorn Cichlid: Highly Aggressive
Fiddler Crab (Brackish) & Fly River Rainbowfish
Uca sp. · Melanotaenia sexlineata
Fiddler Crab (Brackish): Mostly PeacefulFly River Rainbowfish: Peaceful
Fiddler Crab (Brackish) & Flying Fox
Uca sp. · Epalzeorhynchos kalopterus
Fiddler Crab (Brackish): Mostly PeacefulFlying Fox: Aggressive
Fiddler Crab (Brackish) & Flyspeck Hardyhead
Uca sp. · Craterocephalus stercusmuscarum
Fiddler Crab (Brackish): Mostly PeacefulFlyspeck Hardyhead: Peaceful
Fiddler Crab (Brackish) & Forktail Blue-eye
Uca sp. · Pseudomugil furcatus
Fiddler Crab (Brackish): Mostly PeacefulForktail Blue-eye: Peaceful
Fiddler Crab (Brackish) & Fort Maguire Peacock
Uca sp. · Aulonocara hansbaenschi
Fiddler Crab (Brackish): Mostly PeacefulFort Maguire Peacock: Semi-Aggressive
Fiddler Crab (Brackish) & Fosso Cichlid (Fossorochromis rostratus)
Uca sp. · Fossorochromis rostratus
Fiddler Crab (Brackish): Mostly PeacefulFosso Cichlid (Fossorochromis rostratus): Semi-Aggressive
Fiddler Crab (Brackish) & Freshwater Angelfish
Uca sp. · Pterophyllum scalare
Fiddler Crab (Brackish): Mostly PeacefulFreshwater Angelfish: Semi-Aggressive
Fiddler Crab (Brackish) & Freshwater Barracuda
Uca sp. · Ctenolucius hujeta
Fiddler Crab (Brackish): Mostly PeacefulFreshwater Barracuda: Semi-Aggressive