

The Gardneri Killifish, also known as the Blue Lyretail Killifish, is a vibrant freshwater species native to Nigeria and Cameroon. Renowned for its striking coloration and peaceful demeanor, this killifish is an excellent choice for aquarists seeking a lively and colorful addition to their aquarium.
Scientific Name: Fundulopanchax gardneri
Common Names: Gardneri Killifish, Blue Lyretail Killifish
Size: Up to 6.5 cm (2.5 inches)
Lifespan: Approximately 2–3 years with proper care
Temperament: Generally peaceful; males may display territorial behavior
Diet: Carnivorous – thrives on a varied diet of live or frozen foods such as brine shrimp, daphnia, and bloodworms
Water Parameters:
Temperature: 22–25°C (72–77°F)
pH Level: 6.0–7.5
Hardness: 5–12 dGH
Minimum Tank Size: 40 liters (10 gallons)
Vibrant Coloration: Males exhibit stunning blue bodies adorned with red spots and yellow-edged fins, adding a splash of color to any aquarium.
Hardy Nature: Adaptable to various water conditions, making them suitable for both novice and experienced aquarists.
Active Swimmers: Their lively behavior brings movement and interest to the tank environment.
Compatibility: Generally peaceful and can coexist with other non-aggressive species of similar size.
Aquascape: Provide a well-planted aquarium with hiding spots using driftwood and rocks to mimic their natural habitat.
Substrate: Fine sand or smooth gravel is ideal.
Filtration: Use gentle filtration to maintain water quality without creating strong currents.
Lighting: Moderate lighting to enhance their natural colors.
Tank Cover: A secure lid is essential, as they are known to be excellent jumpers.
Gardneri Killifish can be housed with a variety of peaceful species, including:
Small Tetras
Corydoras Catfish
Avoid keeping them with larger, aggressive fish that may intimidate or outcompete them.
Staple Diet: High-quality flake or pellet food formulated for carnivorous fish.
Supplementary Foods: Live or frozen foods such as brine shrimp, daphnia, and bloodworms to enhance coloration and vitality.
Feeding Frequency: Feed small amounts 1–2 times daily, ensuring all food is consumed within a few minutes.
Are Gardneri Killifish suitable for beginners?
Yes, their hardy nature and adaptability make them an excellent choice for novice aquarists.
Do they require a heater?
Maintaining a stable temperature between 22–25°C (72–77°F) is ideal, so a heater may be necessary depending on room temperature.
Can they be kept in groups?
Yes, they can be kept in pairs or small groups. It's advisable to have a higher ratio of females to males to minimize territorial behavior.
Do they need live plants in the aquarium?
While not mandatory, live plants provide hiding spots and contribute to a naturalistic environment, which can reduce stress and enhance their well-being.
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