Golden wonder killifish
Aplocheilus lineatus
- Tank length
- 32 cm13 in
- Start with
- 1
- Temperature
- 24–27 °C75–81 °F
- pH
- 6–8
- Adult size
- 8 cm3 in
- Lifespan
- 3–4 yrs
Surface hunter that eats any fish small enough to swallow, and a jumper: use a tight lid and tankmates over 4 cm.Surface hunter that eats any fish small enough to swallow, and a jumper: use a tight lid and tankmates over 2 in.
Tank sizes
Good tankmates
Avoid with
Assassin snailGolden wonder killifish may eat Assassin snailGolden wonder killifish may eat Assassin snail
Celestial pearl danioGolden wonder killifish may eat Celestial pearl danioGolden wonder killifish may eat Celestial pearl danio
Cherry shrimpGolden wonder killifish may eat Cherry shrimpGolden wonder killifish may eat Cherry shrimp
- Cherry spot rasbora
Golden wonder killifish may eat Cherry spot rasboraGolden wonder killifish may eat Cherry spot rasbora
Ember tetraGolden wonder killifish may eat Ember tetraGolden wonder killifish may eat Ember tetra
- Glowlight rasbora
Golden wonder killifish may eat Glowlight rasboraGolden wonder killifish may eat Glowlight rasbora
Glowlight tetraGolden wonder killifish may eat Glowlight tetraGolden wonder killifish may eat Glowlight tetra
- Horned nerite snail
Golden wonder killifish may eat Horned nerite snailGolden wonder killifish may eat Horned nerite snail
- Kubotai rasbora
Golden wonder killifish may eat Kubotai rasboraGolden wonder killifish may eat Kubotai rasbora
Lambchop rasboraGolden wonder killifish may eat Lambchop rasboraGolden wonder killifish may eat Lambchop rasbora
- Least killifish
Golden wonder killifish may eat Least killifishGolden wonder killifish may eat Least killifish
- Malaysian trumpet snail
Golden wonder killifish may eat Malaysian trumpet snailGolden wonder killifish may eat Malaysian trumpet snail
Data used by the planner
| Temperature | 24–27 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · low confidence |
|---|---|---|
| pH | 6–8 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · medium confidence |
| Hardness (dGH) | 5–15 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · medium confidence |
| Origin | Peninsular India and Sri Lanka | 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 | predatory | curated-v0 (needs expert review) · low confidence |
| Nips fins | No | curated-v0 (needs expert review) · medium confidence |
| Long fins | No | 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) | 3–4 | curated-v0 (needs expert review) · low confidence |
| Months to adult size | 6 | curated-v0 (needs expert review) · low confidence |
| Safe with plants | Yes | curated-v0 (needs expert review) · medium confidence |