PisciDex Species Profile
Brilliant Rummynose Tetra
Tight-schooling soft-water tetra often used as a visible indicator of stable community tank conditions.
Petitella bleheri
Acestrorhamphidae | South America | Rio Negro and Orinoco drainages
Core Requirements
Tank Size
20 gallons minimum
Adult Size
2 inches
Group Size
Group 8+
Bioload
2/10
Water Parameters
Temperature
75-82 F
pH
5.5-7
Plant Safe
Yes
Invert Safe
Yes
Data Confidence
medium
Temperature note: Recommended and tolerated temperature ranges currently match the primary care profile.
Behavior & Husbandry
Temperament
Peaceful
Aggression
1/10
Diet
Omnivore
Difficulty
Intermediate
Lifespan
5 years
Breeding
Advanced
Schooling
Yes
Compatibility Tags
CommunityPeacefulSchoolingMid WaterPlant SafeInvert SafeSoftwaterBlackwater
Similar Species
Species Compatibility
Database-driven compatibility notes for planning community aquariums.