Compatibility brief
Can Convict cichlid live with Swordtail?
Often a workable match in a suitable, well-run tank. Still verify behaviour in your setup.
Compatibility score
Profile confidence: high
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).
Assessment details
Compatible temperaments
Both Convict cichlid and Swordtail share a semi-aggressive temperament.
Compatible temperature range
Both fish can comfortably share similar water temperatures.
- Seriously Fish. Amatitlania nigrofasciata
Primary: aquarium size, water chemistry, behaviour, and compatibility (URL verified in upgrade script; recheck if site content changes).
- FishBase. Amatitlania nigrofasciata
Secondary: taxonomy, distribution, and maximum length in nature; cross-check with aquarium import lines and measured tank parameters.
- Wikipedia. Amatitlania nigrofasciata
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. Xiphophorus hellerii
Supports: aquarium size, water chemistry, temperament and compatibility (primary care reference).
- FishBase. Xiphophorus hellerii
Supports: taxonomy and wild maximum size — translate to tank stocking, not a target number.
- Wikipedia. Xiphophorus hellerii
Supports: general species background and common-name orientation only.
Try this next
Build the full stocking list with Convict cichlid + Swordtail
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.