Species profile
Emerald Dwarf Rasbora
Danio erythromicronEmerald Dwarf Rasbora (Danio erythromicron) is a schooling community species for a cycled 10+ gallon freshwater aquarium. Plan for about 0.8 inches as an adult, 68-76°F water, pH 7-8, and moderate care. Keep a group of at least 8; larger groups often behave more naturally when the tank has room.
FlashyModerate care
10 galMinimum tank
0.8 inAdult size
8Schooling minimum
68-76°FTemperature
Water Range
- pH
- 7-8
- GH
- 6-18 dGH
- KH
- 3-10 dKH
Behavior
- Temperament
- Peaceful
- Fin nipping
- 0/5
- Territory
- 0/5
Diet and Care
- Diet
- omnivore/micro-predator
- Diet difficulty
- 2/5
- Care difficulty
- 3/5
Planning Notes
Moderate care needs; may require mature grazing surfaces or supplemental fresh/frozen foods.
This species may need live, frozen, fresh, or otherwise specialized foods.
People also bought
Fish that pair well with Emerald Dwarf Rasbora
These matches are starting points with overlapping water ranges and lower behavior risk. Always check the full stocking plan, tank size, and group counts before buying.
Run Emerald Dwarf Rasbora through the checker with your tank size, cycle status, water, group count, and tankmates before buying.
Check my tankCompare this speciesPut Emerald Dwarf Rasbora beside another profile to compare water range, size, diet, schooling needs, and behavior.
Open comparisonWill plants work?Match Emerald Dwarf Rasbora against aquarium plants for nibbling, uprooting, cover, flow, and water-range flags.
Open plant matchAsk about my setupAsk Advisor how Emerald Dwarf Rasbora fits with your current tank, recent logs, plants, and livestock.
Ask AdvisorView native rangeOpen the origins map to see reviewed native-range coordinates and regional context for Emerald Dwarf Rasbora.
Open origins mapRelated guides
From keepers
Loading…