Black Ghostknife Fish 5cm+ (Apteronotus albifrons) Bred in SA

The Ghostknife Fish, scientifically known as Apteronotus albifrons, is an intriguing freshwater species known for its unique, eel-like body and electric organ discharge. This nocturnal fish is a favorite for aquarists looking to add something extraordinary to their aquarium. Their peaceful nature and ability to navigate in dim light make them a captivating choice for both beginners and seasoned hobbyists.

Natural Habitat
Originating from South America, Ghostknife Fish are found in the slow-moving, often murky waters of rivers like the Amazon. They prefer habitats with plenty of hiding spots among submerged wood and dense vegetation.

Aquarium Care
Tank Requirements
Minimum Tank Size: 150 liters for a single fish; larger for multiple or community setups.
Water Temperature: 24–28°C.
pH Range: 6.0–7.5 (slightly acidic to neutral).
Water Hardness: 2–15 dGH (soft to moderately hard water).
Filtration: Efficient biological filtration with gentle water movement.

Aquascaping
Substrate: Dark sand or fine gravel to mimic their natural environment.
Decor: Driftwood, caves, and dense plant growth for hiding.
Plants: Use floating plants and tall species like Amazon Sword or Cryptocoryne for shade.
Lighting: Low to moderate; they are nocturnal and prefer dim lighting.

Tank Mates
Ghostknives are generally peaceful but can be shy. Suitable tank mates include:
Small, peaceful fish like small tetras, rasboras, or peaceful corydoras.
Avoid overly active or aggressive fish that might stress them.

Feeding
Diet: Carnivorous with a preference for live or frozen foods:
Primary Foods: Bloodworms, blackworms, brine shrimp.
Occasional Treats: Small pieces of fish or shrimp.
Feed once daily at night, as they are more active in low light conditions.

Breeding
Breeding Ghostknives in captivity is challenging due to their specific needs:
Breeding Setup
A dimly lit, spacious tank with lots of hiding places and a stable temperature around 26-28°C.
They engage in a courtship where the male and female swim in unison.

Fry Care
Fry are sensitive and require microscopic food like infusoria initially, transitioning to baby brine shrimp.
Provide dense plant cover to protect fry from predation.

Key Notes
Behavior: Ghostknife Fish are shy and nocturnal, often burrowing or hiding during the day.
Maintenance: Regular water changes, stable water parameters, and low light conditions are crucial.
Adaptability: They are sensitive to water quality changes but can adapt well if conditions are stable.

The Ghostknife Fish brings a touch of mystery and elegance to any aquarium with its unique appearance and behavior. Their care requirements are specific, making them ideal for those looking to delve into the more specialized aspects of fishkeeping.