Ghost Knife

The Ghost Knife Fish is a truly mesmerizing and mysterious species, known for its smooth, wave-like movement and striking jet-black body accented with white markings. Unlike most fish, it glides effortlessly through the water using a flowing fin that runs along its underside—creating a ghostly, almost floating effect.

Perfect for aquarists looking for something rare, intelligent, and captivating, this fish adds a unique presence to any well-planned aquarium.

✨ Why You’ll Love It

• Unique Movement: Glides gracefully with a flowing, ribbon-like fin
• Striking Appearance: Deep black body with contrasting white bands
• Highly Intelligent: Can recognise feeding routines and interact with its environment
• Rare & Eye-Catching: A standout species for advanced aquarists

⚠️ Care Requirements

Ghost Knife Fish require stable conditions and a well-structured aquarium.

• Tank Size: 250L+ recommended
• Temperature: 24–28°C
• pH: 6.0–7.5
• Diet: Carnivorous – bloodworms, brine shrimp, pellets, and frozen foods

👉 Can grow up to 40–50cm
👉 Prefer dim lighting and calm environments

🧠 Behaviour & Compatibility

• Generally peaceful but can eat smaller fish
• Best kept with medium to large, non-aggressive tank mates
• Nocturnal—most active during low light or nighttime

🌊 Aquascaping Notes

Ghost Knife Fish thrive in natural, subdued aquascapes with caves, driftwood, and shaded areas. A soft substrate and plenty of hiding spaces help them feel secure, while open areas allow them to glide freely.

🔥 Expert Insight

Equipped with a weak electric sensing ability, the Ghost Knife Fish navigates and hunts in low visibility—making it one of the most fascinating species in the hobby. It’s ideal for aquarists seeking a truly unique behaviour and display fish.

At The Glass and Gill – Aquascape, we source healthy, high-quality Ghost Knife Fish for aquarists ready to elevate their setup. Add this mysterious and elegant swimmer to your aquarium for a one-of-a-kind experience.