🐟TankstockerFreshwater Stocking & Compatibility

🐟 Golden Wonder Killifish Aplocheilus lineatus

Golden Wonder Killifish (Aplocheilus lineatus) — male
Male
Golden Wonder Killifish (Aplocheilus lineatus) — female
Female

The Golden Wonder Killifish (Aplocheilus lineatus) is a easy-care, semi-aggressive species from India and Sri Lanka. Adults reach roughly 4", so plan on a minimum tank of 20 gallons. Keep the water between 72–77°F with a pH of 6–7.5. It does not school and can be kept singly or in species-appropriate numbers. It is predatory and will eat fish small enough to fit in its mouth. As a carnivore, it does best on a varied diet appropriate to its feeding style.

At a glance

Adult size4"
Minimum tank20 gallons
Temperature72–77°F
pH6–7.5
TemperamentSemi-aggressive
SchoolingNo
DietCarnivore
Care levelEasy
OriginIndia and Sri Lanka

Good tankmates for Golden Wonder Killifish

Avoid these tankmates

See the full tankmate guide for Golden Wonder Killifish →