Compatibility brief
Can Corydoras Catfish live with Rummy Nose Tetra?
Caution. Check the issues below before buying.
Corydoras Catfish + Rummy Nose Tetra: Narrow temperature overlap. Corydoras Catfish and Rummy Nose Tetra have only a narrow shared temperature range. Maintaining stable water temperature will be important. Outcomes still depend on your tank shape, maintenance routine, and individual fish.
Compatibility score
Profile confidence: medium
Order of checkstank volume vs adults → predation mouth gap → temperament / fin nipping → shared water windows.
80L
Combined minimum footprint reference for these two species: about 80L (larger active fish often want more length).
Assessment details
Compatible temperaments
Both Corydoras Catfish and Rummy Nose Tetra share a peaceful temperament.
Narrow temperature overlap
Top issueCorydoras Catfish and Rummy Nose Tetra have only a narrow shared temperature range. Maintaining stable water temperature will be important.
“Corydoras Catfish and Rummy Nose Tetra have only a narrow…”
Narrow temperature overlap
Next steps
Concrete changes, not "research more" filler.
- •Corydoras Catfish should be kept in a group of at least 6 for best health and behaviour.
- •Rummy Nose Tetra should be kept in a group of at least 8 for best health and behaviour.
Try instead
- →Corydoras Catfish should be kept in a group of at least 6 for best health and behaviour.
- →Rummy Nose Tetra should be kept in a group of at least 8 for best health and behaviour.
- Seriously Fish. Corydoras paleatus
Primary: aquarium size, water chemistry, behaviour, and compatibility (URL verified in upgrade script; recheck if site content changes).
- FishBase. Corydoras paleatus
Secondary: taxonomy, distribution, and maximum length in nature; cross-check with aquarium import lines and measured tank parameters.
- Wikipedia. Corydoras paleatus
Secondary: general species context; verify all husbandry numbers against a dedicated aquarium care sheet and your test kit, not a single table row.
- Seriously Fish. Hemigrammus rhodostomus
Primary: aquarium size, water chemistry, behaviour, and compatibility (URL verified in upgrade script; recheck if site content changes).
- FishBase. Hemigrammus rhodostomus
Secondary: taxonomy, distribution, and maximum length in nature; cross-check with aquarium import lines and measured tank parameters.
- Wikipedia. Hemigrammus rhodostomus
Secondary: general species context; verify all husbandry numbers against a dedicated aquarium care sheet and your test kit, not a single table row.
Try this next
Build the full stocking list with Corydoras Catfish + Rummy Nose Tetra
Plan further
Try both species in the full-stock tank check, or open either fish profile for mates lists. Methodology explains how verdicts are produced.
Individual fish vary in personality. Fishori uses conservative hobby rules. Observe any new introduction closely, feed thoughtfully, and keep a quarantine or backup plan. This is not veterinary advice.
Profile data confidence: high. Based on multiple reputable aquarium care sources with strong agreement.

