All Pets

Knifefishes for Sale

 (1 - 15 of 136)
  1. RARE White Ghost Knife Fish

    RARE White Ghost Knife Fish

    Knifefish · Lancashire
    White Ghost Knife Fish morph of the Black Ghost Knife Fish
    Tools
    Josh ·4 days ago on Aquarist Classifieds
  2. Ghost knife fish

    Ghost knife fish

    Knifefish · Cambridgeshire
    I have a ghost knife fish for sale it s defo over a foot long so will need a good sized tank
    Tools
    Pete ·2 weeks ago on Aquarist Classifieds
  3. 15” royal clown knife fish

    15” royal clown knife fish

    Knifefish · Norfolk
    Thinking of selling my 15 royal clown knife fish
    Tools
    Jacob ·4 weeks ago on Aquarist Classifieds
  4. Selling wide bars albino knife fish snakehead

    Selling wide bars albino knife fish snakehead

    Knifefish · Essex
    Hi I m selling some big 4-6 inch widebars 8 55 each or could discount as a whole
    Tools
    Willcbouttat ·Over 4 weeks ago on Aquarist Classifieds
  5. 20 inch clown knife fish swaps

    20 inch clown knife fish swaps

    Knifefish · West midlands
    20 inch clown knife fish lovely fish a real preditor to watch looking to swap for other preditor fish preferably a peacock bass Call or t...
    Tools
    Joe ·Over 4 weeks ago on Aquarist Classifieds
  6. X2 clown knife fish 16 inch

    X2 clown knife fish 16 inch

    Knifefish · Cheshire
    Looking for swaps text me if interested as don t always come on here
    Tools
    Paul mcmanus ·Over 4 weeks ago on Aquarist Classifieds
  7. Black ghost knife fish for sale / swap

    Black ghost knife fish for sale / swap

    Knifefish · Suffolk
    Hi. I have 5 knife fish about 7-8inch looking 100 pounds for all, can swap for small clown loaches or catfish. Collect only from IP326HZ...
    Tools
    mantsan ·Over 4 weeks ago on Aquarist Classifieds
  8. Rare Aba Aba Knife Fish in stock

    Rare Aba Aba Knife Fish in stock

    Knifefish · Sussex
    Aba Aba available in good sizes from 12 to 17
    Tools
    Planet Arowana - D Carr ·Over 4 weeks ago on Aquarist Classifieds
  9. 11"inch Golden Clown Knife fish

    11"inch Golden Clown Knife fish

    Knifefish · London, Gt Lon
    11" inch Golden Clown Knife fish 65 , Eating well in an excellent condition, really good with other tank mates makes a beautiful show pea...
    Tools
    al ·Over 4 weeks ago on Aquarist Classifieds
  10. Two black Ghost Knife Fish for sale

    Two black Ghost Knife Fish for sale

    Knifefish · Sussex
    We have two black ghost knife fish who have outgrown our tank.
    Tools
    Sophie Hamilton ·Over 4 weeks ago on Aquarist Classifieds
  11. Large 16" Golden Clown Knife Fish £40

    Large 16" Golden Clown Knife Fish £40

    Knifefish · Cornwall
    Golden clown knife fish 16 inch good eater and still got some growing to do.
    Tools
    Richard ·Over 4 weeks ago on Aquarist Classifieds
  12. Clown knife fish

    Clown knife fish

    Knifefish · Hampshire
    Around 13 inches 20 Open to offers
    Tools
    Shaun ·Over 4 weeks ago on Aquarist Classifieds
  13. Clown knife fish

    Clown knife fish

    Knifefish · Kent
    Large clown knife fish, very good eater and has a lot of personality. Mixes well with fish that are to big to be eaten. Not sure what it ...
    Tools
    Shane ·Over 4 weeks ago on Aquarist Classifieds
  14. 8inch royal knife fish

    8inch royal knife fish

    Knifefish · Cheshire
    Looking to swap for other preds
    Tools
    Paul mcmanus ·Over 4 weeks ago on Aquarist Classifieds
  15. Knife fish

    Knife fish

    Knifefish · Wiltshire
    3 x knife fish different sizes can t be kept together Free to collect Phone 0739XXXXXX
    Tools
    martin ·Over 4 weeks ago on Aquarist Classifieds

SET LOCATION

United Kingdom
[change location]
Important Safety Tips
  • Meet the seller and pet in person
  • Don’t wire money or take advance payments.
  • Only pay for shipping if you know the seller.

To learn more, visit the Safety Center. Report suspicious listings by clicking on .