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Description
Black Ghost Knife Fish Apteronotus Albifrons 10cmBlack Ghost Knife Fish Apteronotus Albifrons 10cm Overview: The Black Ghost Knife Fish, known for its striking appearance and graceful movement, is a unique and intriguing freshwater species. With its sleek black body and elongated shape, it stands out as a captivating addition to any aquarium. Origin: Originating from South America, particularly the Amazon River basin and its tributaries, this nocturnal species thrives in slow moving, heavily
Black Ghost Knife Fish Apteronotus Albifrons 10cmOverview: The Black Ghost Knife Fish, known for its striking appearance and graceful movement, is a unique and intriguing freshwater species. With its sleek black body and elongated shape, it stands out as a captivating addition to any aquarium.
Origin: Originating from South America, particularly the Amazon River basin and its tributaries, this nocturnal species thrives in slow-moving, heavily vegetated waters.
Feeding: These fish are carnivorous and prefer live or frozen foods such as bloodworms, brine shrimp, and small insects. They may also accept high-quality pellets or flakes, but a varied diet is essential for their health.
Tank Mates: Due to their peaceful nature, Black Ghost Knife Fish usually coexist well with non-aggressive tank mates like peaceful cichlids, tetras, catfish, and other similarly sized, non-territorial species. Avoid keeping them with aggressive or fin-nipping fish.
Aggression: Typically shy and non-aggressive, they are more likely to hide when stressed or threatened rather than display aggression. However, they may become territorial if space is limited or if they feel threatened.
Experience Level: Intermediate to advanced. While they are not overly demanding in terms of water parameters, their shy nature and specific dietary needs require a bit of experience to ensure their well-being.
Water Parameters:
- Temperature: 75-82°F (24-28°C)
- pH: 6.0-7.5
- Hardness: Soft to moderately hard water
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4.1 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 2
Puppy loves it but the battery is awful
Color: Blue
Our puppy loves playing with this ball, it does what it says and keeps her occupied for the entire 10-15 minutes the battery lasts. I have to charge it several times a day, though the light never flashes red when the battery is low, it just doesn't work anymore. It also makes a beeping sound when she's playing with it that is super annoying, which sucks because the ball itself isn't super noisy even in the hardwood floors. I wouldn't purchase this again, and we'll probably have to toss it out within a week or two, I really don't see this thing lasting very long. Without the movement, it isn't a ball we would let her play with because she is a strong chewer and the material doesn't seem chew proof at all. I'm only giving it 2 stars because she really does love playing with it, but the battery life and beeping sound are atrocious.
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Reviewed in the United States on May 2, 2026
★★★★★ 1
Doesn’t hold charge
Didn’t last a week. Won’t charge. Shows fully charged but doesn’t move
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Reviewed in the United States on May 4, 2026
★★★★★ 5
Amazing
Color: Blue
Amazing toy, very well made. My Italian Greyhound puppy was busy for a long time. Very happy customer and my puppy. Thank you!
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Reviewed in the United States on April 29, 2026
★★★★★ 5
Yes!
Size: Medium
Durable. Squeak doesn't last forever with my aggressive chewers but crinkle does. Best balls.
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Reviewed in the United States on September 28, 2025
★★★★★ 5
Balls
Size: Medium
My dog loves chasing these balls. He seems to love the squeak! They fit the chuck it stick perfectly, and are great replacements for the originals that came with the stick.
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Reviewed in the United States on February 7, 2026