Lyretail killifish
Aphyosemion australe
- Tank length
- 20 cm8 in
- Start with
- 2
- Temperature
- 21–24 °C70–75 °F
- pH
- 6–7
- Adult size
- 5 cm2 in
- Lifespan
- 2–3 yrs
Keep one male with several females in a covered, planted tank; it is short-lived, jumps readily and prefers live or frozen food.Keep one male with several females in a covered, planted tank; it is short-lived, jumps readily and prefers live or frozen food.
Tank sizes
Good tankmates
Avoid with
- Acei cichlid
No shared pH rangeNo shared pH range
- Ajamaru rainbowfish
No shared pH rangeNo shared pH range
- American flagfish
American flagfish may nip Lyretail killifishAmerican flagfish may nip Lyretail killifish
- Angfa rainbowfish
No shared pH rangeNo shared pH range
- Arfak rainbowfish
No shared pH rangeNo shared pH range
- Batanta rainbowfish
No shared pH rangeNo shared pH range
- Black kuhli loach
No shared temperature rangeNo shared temperature range
- Blind cave tetra
Blind cave tetra may nip Lyretail killifishBlind cave tetra may nip Lyretail killifish
- Blue rainbowfish
No shared pH rangeNo shared pH range
Boeseman rainbowfishNo shared temperature rangeNo shared temperature range
- Brevis shell dweller
No shared pH rangeNo shared pH range
- Buenos Aires tetra
Buenos Aires tetra may nip Lyretail killifishBuenos Aires tetra may nip Lyretail killifish
Data used by the planner
| Temperature | 21–24 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04; agrees with FishBase (fishbase.se), retrieved 2026-10-04 · medium confidence |
|---|---|---|
| pH | 6–7 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04; agrees with FishBase (fishbase.se), retrieved 2026-10-04 · medium confidence |
| Hardness (dGH) | 1–15 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · low confidence |
| Origin | Coastal Gabon and Cameroon | curated-v0 (needs expert review) · low confidence |
| Beginner friendly | No | curated-v0 (needs expert review) · medium confidence |
| Care level | moderate | curated-v0 (needs expert review) · medium confidence |
| Activity | moderate | curated-v0 (needs expert review) · medium confidence |
| Swimming level | top | curated-v0 (needs expert review) · medium confidence |
| Temperament | peaceful | curated-v0 (needs expert review) · medium confidence |
| Nips fins | No | curated-v0 (needs expert review) · medium confidence |
| Long fins | Yes | curated-v0 (needs expert review) · medium confidence |
| Territorial | No | curated-v0 (needs expert review) · medium confidence |
| Lives in groups | No | curated-v0 (needs expert review) · medium confidence |
| Minimum group | 1 | curated-v0 (needs expert review) · medium confidence |
| Diet | carnivore | curated-v0 (needs expert review) · medium confidence |
| Lifespan (years) | 2–3 | curated-v0 (needs expert review); agrees with FishBase (fishbase.se), retrieved 2026-10-04 · medium confidence |
| Months to adult size | 5 | curated-v0 (needs expert review) · low confidence |
| Safe with plants | Yes | curated-v0 (needs expert review) · medium confidence |