Fiddler Crab (Brackish) & Betta Macrostoma
Uca sp. · Betta macrostoma
Fiddler Crab (Brackish): Mostly PeacefulBetta Macrostoma: Semi-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 97 - 120 of 735 Tank Mates
Not Recommended
Fiddler Crab (Brackish) & Betta Smaragdina
Uca sp. · Betta smaragdina
Fiddler Crab (Brackish): Mostly PeacefulBetta Smaragdina: Semi-Aggressive
Fiddler Crab (Brackish) & Black Acara
Uca sp. · Cichlasoma bimaculatum
Fiddler Crab (Brackish): Mostly PeacefulBlack Acara: Semi-Aggressive
Fiddler Crab (Brackish) & Black Belt Cichlid
Uca sp. · Vieja maculicauda
Fiddler Crab (Brackish): Mostly PeacefulBlack Belt Cichlid: Aggressive
Fiddler Crab (Brackish) & Black Bullhead Catfish
Uca sp. · Ameiurus melas
Fiddler Crab (Brackish): Mostly PeacefulBlack Bullhead Catfish: Aggressive
Fiddler Crab (Brackish) & Black Corydoras
Uca sp. · Corydoras schultzei
Fiddler Crab (Brackish): Mostly PeacefulBlack Corydoras: Peaceful
Fiddler Crab (Brackish) & Black Diamond Cichlid
Uca sp. · Paratilapia polleni
Fiddler Crab (Brackish): Mostly PeacefulBlack Diamond Cichlid: Aggressive
Fiddler Crab (Brackish) & Black Fin Cory
Uca sp. · Corydoras leucomelas
Fiddler Crab (Brackish): Mostly PeacefulBlack Fin Cory: Peaceful
Fiddler Crab (Brackish) & Black Ghost Knifefish
Uca sp. · Apteronotus albifrons
Fiddler Crab (Brackish): Mostly PeacefulBlack Ghost Knifefish: Semi-Aggressive
Fiddler Crab (Brackish) & Black Kuhli Loach
Uca sp. · Pangio oblonga
Fiddler Crab (Brackish): Mostly PeacefulBlack Kuhli Loach: Peaceful
Fiddler Crab (Brackish) & Black Marble Hoplo
Uca sp. · Megalechis thoracata
Fiddler Crab (Brackish): Mostly PeacefulBlack Marble Hoplo: Mostly Peaceful
Fiddler Crab (Brackish) & Black Neon Tetra
Uca sp. · Hyphessobrycon herbertaxelrodi
Fiddler Crab (Brackish): Mostly PeacefulBlack Neon Tetra: Peaceful
Fiddler Crab (Brackish) & Black Ocellatus
Uca sp. · Lamprologus speciosus
Fiddler Crab (Brackish): Mostly PeacefulBlack Ocellatus: Aggressive
Fiddler Crab (Brackish) & Black Pacu
Uca sp. · Colossoma macropomum
Fiddler Crab (Brackish): Mostly PeacefulBlack Pacu: Mostly Peaceful
Fiddler Crab (Brackish) & Black Phantom Tetra
Uca sp. · Hyphessobrycon megalopterus
Fiddler Crab (Brackish): Mostly PeacefulBlack Phantom Tetra: Peaceful
Fiddler Crab (Brackish) & Black Ruby Barb
Uca sp. · Pethia nigrofasciata
Fiddler Crab (Brackish): Mostly PeacefulBlack Ruby Barb: Mostly Peaceful
Fiddler Crab (Brackish) & Black Skirt Tetra
Uca sp. · Gymnocorymbus ternetzi
Fiddler Crab (Brackish): Mostly PeacefulBlack Skirt Tetra: Mostly Peaceful
Fiddler Crab (Brackish) & Black-Banded Rainbowfish
Uca sp. · Melanotaenia nigrans
Fiddler Crab (Brackish): Mostly PeacefulBlack-Banded Rainbowfish: Peaceful
Fiddler Crab (Brackish) & Blackline Rasbora
Uca sp. · Rasbora borapetensis
Fiddler Crab (Brackish): Mostly PeacefulBlackline Rasbora: Peaceful
Fiddler Crab (Brackish) & Bladder Snail (Pest Snail)
Uca sp. · Physella acuta
Fiddler Crab (Brackish): Mostly PeacefulBladder Snail (Pest Snail): Peaceful
Fiddler Crab (Brackish) & Bleeding Heart Tetra
Uca sp. · Hyphessobrycon erythrostigma
Fiddler Crab (Brackish): Mostly PeacefulBleeding Heart Tetra: Peaceful
Fiddler Crab (Brackish) & Bleher's Rainbowfish
Uca sp. · Chilatherina bleheri
Fiddler Crab (Brackish): Mostly PeacefulBleher's Rainbowfish: Peaceful
Fiddler Crab (Brackish) & Blind Cave Tetra
Uca sp. · Astyanax mexicanus
Fiddler Crab (Brackish): Mostly PeacefulBlind Cave Tetra: Mostly Peaceful
Fiddler Crab (Brackish) & Blood Parrot Cichlid
Uca sp. · Hybrid cichlid (Blood Parrot)
Fiddler Crab (Brackish): Mostly PeacefulBlood Parrot Cichlid: Semi-Aggressive