Golden Wonder Killifish tank mates
A surface micropredator with a misleading killifish label. Species-only or mid-size community, never with nano tetras or shrimp. Cover the tank.
Common mistakeForgetting a tight lid is the golden-wonder ownership mistake that empties the tank overnight. They jump powerfully and clear loose covers. Pair that with tiny nano fish and you also invent predation — these killis are hunters at the surface, not peaceful dither for a shrimp nano.
Each name below opens a pair check with Golden Wonder Killifish. That check is the decision, not the list itself.
Usually safer companions
Conservative shortlist from this profile. Open a pair page before you buy.
None listed here. Use the pair checker with species you are considering.
Risky or situational
May work with more water, a mature system, or a species-only setup. Read the pair page before you experiment.
Marked risky or situational on the profile. Tank length and group size change the outcome more than a temperament label does.
Marked risky or situational on the profile. Tank length and group size change the outcome more than a temperament label does.
Fish to avoid with Golden Wonder Killifish
Predation, aggression, or space rules on this profile. Treat these as poor default mixes.
Golden Wonder Killifish is flagged as predatory or as likely to eat small fish, and Cherry Shrimp at 2.5cm is well within an adult Golden Wonder Killifish's gape.
Golden Wonder Killifish is flagged as predatory or as likely to eat small fish, and Ember Tetra at 2cm is well within an adult Golden Wonder Killifish's gape.
Golden Wonder Killifish is flagged as predatory or as likely to eat small fish, and Guppy at 5cm is well within an adult Golden Wonder Killifish's gape.
Golden Wonder Killifish is flagged as predatory or as likely to eat small fish, and Neon Tetra at 4cm is well within an adult Golden Wonder Killifish's gape.
Tank size and groups
- Published minimum for Golden Wonder Killifish: 80L. Group minimum 1 .
- Compatibility changes when the tank is too short for turning, too little for a real school, or too warm for one species and not the other. That is why pair checks include tank context, not only temperament.
- Nearest litre hub to this minimum: 80L hub.
Easier alternatives to consider
Hardier first-tank names from the library. Still read the profile. Not a substitute for reading this one.
Plan before you buy
Start a pair check with Golden Wonder Killifish, or open a starter plan with the top safer companions in the builder.
Tank hubs: 80L
Related reading
Guides that list other fish with the same trait, so you can plan around the group rather than one row.
- Fish that eat smaller tank mates →
Golden Wonder Killifish may eat anything that fits in its mouth as it grows.
Filtration & heating
A 80L minimum tank for Golden Wonder Killifish needs a filter rated for at least 320L/hr turnover and a heater maintaining 22–28°C.
Similar fish (same category)
- American Flagfish · min 60L
- Marbled Hatchetfish · min 60L
- Pea Puffer · min 40L
- Clown Killifish · min 20L
- African freshwater butterflyfish · min 150L
- Ropefish / reed fish · min 200L
- Senegal bichir · min 300L
- Black ghost knifefish · min 500L
Featured compatibility checks
Curated pair pages for Golden Wonder Killifish. Each opens a full verdict — not just a list label.
Golden Wonder Killifish tank mates — quick answers
- What fish can live with Golden Wonder Killifish?
- This hub has no “usually safer” (GOOD) companions for Golden Wonder Killifish. Workable neighbours sit in caution — for example Bristlenose Pleco, Dwarf Gourami. Treat every name as a pair check, not a shopping list.
- What tank mates should you avoid with Golden Wonder Killifish?
- Avoid Cherry Shrimp, Ember Tetra, Guppy, Neon Tetra based on size, temperament, or predation risk on this profile.
- What size tank do Golden Wonder Killifish need for a community?
- 80L is the planning floor for adult swimming space and bioload. A 100L+ tank is the more comfortable long-term footprint. Length and depth matter as much as raw litres for active or territorial fish.