Rummy Nose Tetra
Hemigrammus bleheri compatibility profile. Find the best tank mates by checking water parameters, aquarium swim zone pressure, social rules, and shrimp-safe verifications.
Core facts & bioload limits
Adult size2"
Minimum tank20 gal
Temperamentpeaceful
Group8+
- temperature75-82F
- pH5.5-7.2
- water_hardnessGH 1-10 dGH | KH 0-5 dKH
- plant_safetysafe
- shrimp_safetycaution
- algae_eating_rolenone
- beginner_suitabilitybeginner
Community planning & swim zone pressure
When planning a community around Rummy Nose Tetra, consider the aquarium swim zone pressure. This species primarily occupies the middle zone. Balance the setup by choosing tank mates that occupy the top or bottom zones to reduce crowding and stress.
Care caveats
- notesTight-schooling indicator tetra; nose color fades fast when water quality or stability drops.
- caveatKeep a group of 8 or more; rummynose are tight schoolers and stress visibly in small groups.
- caveatSensitive to unstable water — a sudden loss of red nose color often signals ammonia, nitrite, or parameter swings.
- caveatBest added to a mature, cycled tank with steady temperature and gentle, well-oxygenated flow.
- caveatAvoid large or aggressive tankmates; rummynose are peaceful and will be outcompeted at feeding by boisterous species.
Compatible tank mates
- Bladder Snailyellowschooling_size_issue | minimum 20 galCheck this pair in the planner ->
- Bettayellowschooling_size_issue | minimum 20 galCheck this pair in the planner ->
- Chili Rasborayellowschooling_size_issue | minimum 20 galCheck this pair in the planner ->
- Ember Tetrayellowschooling_size_issue | minimum 20 galCheck this pair in the planner ->
- Cherry Shrimpyellowshrimp_predation_risk | minimum 20 galCheck this pair in the planner ->
- Ghost Shrimpyellowshrimp_predation_risk | minimum 20 galCheck this pair in the planner ->
- Blue Dream Shrimpyellowshrimp_predation_risk | minimum 20 galCheck this pair in the planner ->
- Orange Sakura Shrimpyellowshrimp_predation_risk | minimum 20 galCheck this pair in the planner ->
- Black Rose Shrimpyellowshrimp_predation_risk | minimum 20 galCheck this pair in the planner ->
- Snowball Shrimpyellowshrimp_predation_risk | minimum 20 galCheck this pair in the planner ->