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African Black
Knifefish for Sale
Click here to buy an African Black Knifefish.
       

 

This video shows an African Black Knifefish, like the ones for sale in our facility. Click here for more about buying an African Black Knifefish from us.

 

  Notice the interesting fin-motion along the bottom of this Black Knifefish's body. This undulating motion propels Knifefish backwards and forwards.
 

  Here is an African Black Knifefish among some plants near the surface of the water.
 

  This African Black Knifefish seems to be yawning. You can see that the color of these African Black Knifefish varies from brown to almost black.
     
Most types of Knifefish usually hide inside a cave during the day and come out at night to hunt for small fish. The African Black Knifefish is very hardy and not too aggressive, but will eat fish it can swallow.
     
Like all Knifefish they have a very interesting method of swimming by undulating the fin across the bottom of their bodies. If you want to try a Knifefish, the Black Knifefish is best type of Knifefish to start with, because they don't get huge like the Clown Knife, and they aren't delicate like the Transparent Knife, or too aggressive like the Carapo Knife. The Black Knifefish is a a very good aquarium fish.
     

Scientific Name: Xenomystus nigri


     

Behavior
African Black Knifefish are very hardy and not as aggressive as most other Knifefish. They are interesting to watch swim. These Knifefish are somewhat nocturnal, so they need a cave or pipe as a home during the day. They are usually active at night, searching for food. They will often not bother small fish during the day, but then eat them at night. African Black Knifefish are members of a group of fishes called notopterids. Click here to read a brief article from the Encyclopedia Britannica about this group of fish.

 
 
Click here to buy an African Black Knifefish.
 
 
African Black Knife Fish at AquariumFish.net, tropical fish stores, where you can shop online for a Black African Knifefish.   This is an African Black Knifefish like the African Black Knifefish for sale in our facility. Click here for more about buying an African Black Knifefish from us. These are very good aquarium fish.
     

Appropriate Home
An aquarium with at least 29 gallons of water, an exterior power filter with a BIO-Wheel, a maximum of 1/4 inch of gravel, and an aquarium heater adjusted to between 78 and 82 degrees F. Click here for more about warm water aquariums. Each Black Knifefish needs its own cave or piece of plastic pipe as a home. Be sure the rocks or pieces of pipe and everything else you put in your aquarium will not contaminate the water. Click here for more about how to avoid contaminating your aquarium.

     

Recommended Diet
African Black Knifefish are predators that eat small live fish, live Ghost Shrimp, and live Black Worms. Click here for more about Black Worms. Click here for more about feeding.

     

Compatibility
One or several African Black Knifefish in an aquarium with at least 29 gallons. Elephant Noses, Baby Whales, and Synodontis Catfish are good tank mates. Also kept in aquariums with Clown Loaches, Large Gouramis, Tinfoil Barbs, Giant Danios, and a Plecostomus Catfish. Black Knifefish are not compatible with small fish, which a Black Knifefish may attack, when the light are off.
 
Click here to read about several groups of compatible fish.

 
Click here to buy an African Black Knifefish.
     

Size and Lifespan
African Black Knifefish can grow to 12" but rarely grow bigger than 8" in an aquarium. They can live for 10 years and sometimes longer.

 
 
Click here to go to another page in this web site with Customer Comments and our Replies about the African Black Knifefish.
 
 
 
Important Aquarium Products

For excellent health, pet fish need very good food and very good water conditions. These five products are very important.

 
Premium Fish Food Flakes
Premium Fish Food Pellets
DrTim's Water Conditioner
DrTim's WasteAway
Denitrifying Lava Rocks
 
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 Best Selling Books 
     
  Click here now to order The Simple Guide to Freshwater Aquariums, a bestselling reference, offering an easy-to-understand look at setting up and maintaining a successful first freshwater aquarium.
     
  Click here now to order The New Marine Aquarium: Step-By-Step setup and stocking Guide, the best selling book about starting a new marine aquarium.
     
  Click here now to order 500 Freshwater Aquarium Fish: A Visual Reference to the Most Popular Species, a beautiful book, lovingly written and illustrated, with information for the beginner or the longtime enthusiast.
     
  Click here now to order Fancy Goldfish: A Complete Guide ... by Eric L. Johnson, DMV, and Richard E. Hess. The most encompassing and thorough treatment of the fancy goldfish hobby to date. Hardcover with 176 pages.
 
Click here now for many more fishy books.
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This page was updated on November 11, 2014.