Fiddler Crab (Brackish) & Jack Dempsey
Uca sp. · Rocio octofasciata
Fiddler Crab (Brackish): Mostly PeacefulJack Dempsey: Aggressive
Back to all fishesView full care guide
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 361 - 384 of 735 Tank Mates
Not Recommended
Fiddler Crab (Brackish) & Jaguar Cichlid
Uca sp. · Parachromis managuensis
Fiddler Crab (Brackish): Mostly PeacefulJaguar Cichlid: Highly Aggressive
Fiddler Crab (Brackish) & Japanese Ricefish (Medaka)
Uca sp. · Oryzias latipes
Fiddler Crab (Brackish): Mostly PeacefulJapanese Ricefish (Medaka): Peaceful
Fiddler Crab (Brackish) & Japen Rainbowfish
Uca sp. · Melanotaenia japenensis
Fiddler Crab (Brackish): Mostly PeacefulJapen Rainbowfish: Peaceful
Fiddler Crab (Brackish) & Julii Corydoras (False Julii)
Uca sp. · Corydoras trilineatus
Fiddler Crab (Brackish): Mostly PeacefulJulii Corydoras (False Julii): Peaceful
Fiddler Crab (Brackish) & Jurupari Eartheater
Uca sp. · Satanoperca jurupari
Fiddler Crab (Brackish): Mostly PeacefulJurupari Eartheater: Mostly Peaceful
Fiddler Crab (Brackish) & Kamaka Rainbowfish
Uca sp. · Melanotaenia kamaka
Fiddler Crab (Brackish): Mostly PeacefulKamaka Rainbowfish: Peaceful
Fiddler Crab (Brackish) & Kenyi Cichlid
Uca sp. · Maylandia lombardoi
Fiddler Crab (Brackish): Mostly PeacefulKenyi Cichlid: Highly Aggressive
Fiddler Crab (Brackish) & Keyhole Cichlid
Uca sp. · Cleithracara maronii
Fiddler Crab (Brackish): Mostly PeacefulKeyhole Cichlid: Peaceful
Fiddler Crab (Brackish) & Kissing Gourami
Uca sp. · Helostoma temminckii
Fiddler Crab (Brackish): Mostly PeacefulKissing Gourami: Semi-Aggressive
Fiddler Crab (Brackish) & Kiunga Blue Eye
Uca sp. · Kiunga ballochi
Fiddler Crab (Brackish): Mostly PeacefulKiunga Blue Eye: Peaceful
Fiddler Crab (Brackish) & Knight Goby
Uca sp. · Stigmatogobius sadanundio
Fiddler Crab (Brackish): Mostly PeacefulKnight Goby: Semi-Aggressive
Fiddler Crab (Brackish) & Koi
Uca sp. · Cyprinus rubrofuscus
Fiddler Crab (Brackish): Mostly PeacefulKoi: Peaceful
Fiddler Crab (Brackish) & Kribensis
Uca sp. · Pelvicachromis pulcher
Fiddler Crab (Brackish): Mostly PeacefulKribensis: Semi-Aggressive
Fiddler Crab (Brackish) & Kuhli Loach
Uca sp. · Pangio kuhlii
Fiddler Crab (Brackish): Mostly PeacefulKuhli Loach: Peaceful
Fiddler Crab (Brackish) & Lacerda Cory C015
Uca sp. · Scleromystax lacerdai
Fiddler Crab (Brackish): Mostly PeacefulLacerda Cory C015: Peaceful
Fiddler Crab (Brackish) & Lake Eacham Rainbowfish
Uca sp. · Melanotaenia eachamensis
Fiddler Crab (Brackish): Mostly PeacefulLake Eacham Rainbowfish: Peaceful
Fiddler Crab (Brackish) & Lake Mbuta Rainbowfish
Uca sp. · Pelangia mbutaensis
Fiddler Crab (Brackish): Mostly PeacefulLake Mbuta Rainbowfish: Peaceful
Fiddler Crab (Brackish) & Lake Tebera Rainbowfish
Uca sp. · Melanotaenia herbertaxelrodi
Fiddler Crab (Brackish): Mostly PeacefulLake Tebera Rainbowfish: Peaceful
Fiddler Crab (Brackish) & Lake Wanam Rainbowfish
Uca sp. · Glossolepis wanamensis
Fiddler Crab (Brackish): Mostly PeacefulLake Wanam Rainbowfish: Peaceful
Fiddler Crab (Brackish) & Largemouth Bass
Uca sp. · Micropterus salmoides
Fiddler Crab (Brackish): Mostly PeacefulLargemouth Bass: Aggressive
Fiddler Crab (Brackish) & Largereye Lampeye Killifish
Uca sp. · Micropanchax macrophthalmus
Fiddler Crab (Brackish): Mostly PeacefulLargereye Lampeye Killifish: Peaceful
Fiddler Crab (Brackish) & Least Killifish (Heterandria)
Uca sp. · Heterandria formosa
Fiddler Crab (Brackish): Mostly PeacefulLeast Killifish (Heterandria): Peaceful
Fiddler Crab (Brackish) & Leggett's Rainbowfish
Uca sp. · Glossolepis leggetti
Fiddler Crab (Brackish): Mostly PeacefulLeggett's Rainbowfish: Peaceful