Compatibility brief
Can Dwarf Gourami live with Rosy Tetra?
Caution. Check the issues below before buying.
Dwarf Gourami + Rosy Tetra: Fin nipping risk. Rosy Tetra is a known fin nipper and Dwarf Gourami has long, flowing fins. Rosy Tetra will likely harass Dwarf Gourami.
Compatibility score
Profile confidence: low
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).
Rosy Tetra is a fin nipper and Dwarf Gourami is vulnerable to nipping — long fins are a common target even when water parameters match.
Assessment details
Compatible temperaments
Both Dwarf Gourami and Rosy Tetra share a peaceful temperament.
Fin nipping risk
Top issueRosy Tetra is a known fin nipper and Dwarf Gourami has long, flowing fins. Rosy Tetra will likely harass Dwarf Gourami.
Compatible temperature range
Both fish can comfortably share similar water temperatures.
“Rosy Tetra is a known fin nipper and Dwarf Gourami has long,…”
Fin nipping risk
Next steps
Concrete changes, not "research more" filler.
- •Avoid keeping Rosy Tetra with long-finned fish like Dwarf Gourami.
- •Rosy Tetra should be kept in a group of at least 6 for best health and behaviour.
Try instead
- →Avoid keeping Rosy Tetra with long-finned fish like Dwarf Gourami.
- →Rosy Tetra should be kept in a group of at least 6 for best health and behaviour.
- Seriously Fish. Trichogaster lalius
Primary: aquarium size, water chemistry, behaviour, and compatibility (URL verified in upgrade script; recheck if site content changes).
- FishBase. Trichogaster lalius
Secondary: taxonomy, distribution, and maximum length in nature; cross-check with aquarium import lines and measured tank parameters.
- Wikipedia. Trichogaster lalius
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. Hyphessobrycon rosaceus
Primary: species page covering Amazon range, soft-water requirement, and the sickle-fin dimorphism in adult males.
- Practical Fishkeeping. Rosy Tetra Profile
Secondary: editor coverage of stocking, planted-tank scaping, and the long-fin tank-mate caveat.
Try this next
Build the full stocking list with Dwarf Gourami + Rosy 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: medium. Driven by the lower-confidence profile (Rosy Tetra): Based on typical aquarium care sources; details may vary between setups.