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PisciDex Species Profile
Rainbow Shark
Territorial bottom-oriented cyprinid with red fins, best housed singly with robust tankmates and defined caves.
Epalzeorhynchos frenatum
Cyprinidae | Southeast Asia | Mekong, Chao Phraya, and Mae Klong basins
Core Requirements
Tank Size
55 gallons minimum
Adult Size
6 inches
Group Size
Solo
Bioload
3/10
Water Parameters
Temperature
72-82 F
pH
6.5-7.5
Plant Safe
Yes
Invert Safe
No
Data Confidence
Unknown
Behavior & Husbandry
Temperament
Semi-Aggressive
Aggression
5/10
Diet
Omnivore
Difficulty
Intermediate
Lifespan
6 years
Breeding
Advanced
Schooling
No
Compatibility Tags
Semi AggressiveSolitaryTerritorialBottom DwellerPlant SafeRockwork Preferred
Species Compatibility
Database-driven compatibility notes for planning community aquariums.