Compatibility brief
Can Keyhole cichlid live with Tiger Barb?
Caution. Check the issues below before buying.
Compatibility score
Profile confidence: medium
Order of checkstank volume vs adults → predation mouth gap → temperament / fin nipping → shared water windows.
200L
Combined minimum footprint reference for these two species: about 200L (larger active fish often want more length).
Temperament gap (peaceful vs semi-aggressive) — needs space, structure, and careful observation, not a “drop and forget” mix.
Assessment details
Temperament difference
Top issueTiger Barb is semi-aggressive, while Keyhole cichlid is peaceful. Expect chasing or stress unless the tank is large and heavily structured — monitor closely.
Compatible temperature range
Both fish can comfortably share similar water temperatures.
“Tiger Barb is semi-aggressive, while Keyhole cichlid is peaceful”
Temperament difference
Next steps
Concrete changes, not "research more" filler.
- •Provide plenty of hiding spots and visual breaks so Keyhole cichlid can escape if harassed.
- •Tiger Barb should be kept in a group of at least 8 for best health and behaviour.
- Seriously Fish. Cleithracara maronii
Primary: aquarium size, water chemistry, behaviour, and compatibility (URL verified in upgrade script; recheck if site content changes).
- FishBase. Cleithracara maronii
Secondary: taxonomy, distribution, and maximum length in nature; cross-check with aquarium import lines and measured tank parameters.
- Wikipedia. Cleithracara maronii
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. Puntigrus tetrazona
Primary: aquarium size, water chemistry, behaviour, and compatibility (URL verified in upgrade script; recheck if site content changes).
- FishBase. Puntigrus tetrazona
Secondary: taxonomy, distribution, and maximum length in nature; cross-check with aquarium import lines and measured tank parameters.
- Wikipedia. Puntigrus tetrazona
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 Keyhole cichlid + Tiger Barb
Plan further
Check each species’ mates list, size the glass, then verify the full stock in the builder. 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. Checked against several solid care sources that mostly agree.

