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The Jack Dempsey fish is a freshwater cichlid. This cichlid fish have aggressive natures, like their namesake, the legendary heavyweight boxing champion, Jack Dempsey. Despite their feisty personalities, Jack Dempsey fish are popular tropcial fish among aquarists due to their beautiful iridescent colors.

Features of Jack Dempsey Fish:

  • The average lifespan of a Jack Dempsey fish is 8–10 years
  • Jack Dempsey fish have aggressive personalities and aren’t recommended for beginner fish keepers
  • Jack Dempsey fish are aggressive fish that are known to chase, bite, or bully small or vulnerable fish

Jack Dempsey Cichlid: Care, Diet and Tank Mates

The Best Aquarium Size for Jack Dempsey Fish:

The minimum tank size required for a single Jack Dempsey fish is 300L, and each additional fish requires an extra 200L of water. Providing a large tank for Jack Dempsey fish ensures that all fish have enough space to claim their own territories. The bigger tank is better for the health of your fish.

Buy Large Tank in Coburg Aquarium online, Here are some good brands to consider

Tank Mate Compatibility:

Because Jack Dempsey fish have aggressive personalities, your choice of tankmates is restricted to similarly-sized fish with similar temperaments to Jack Dempsey fish. Great tank mates for Jack Dempsey fish include:

Coburg Aquarium, specialised in different species oflive fish.

Jack Dempsey Food :

Pellets and flakes designed for cichlids can provide the bulk of the Jack Dempsey fish’s diet. Food like OSI Cichlid FlakesFish Fuel Frozen Cichlid FoodHikari Cichlid Pellet. Supplement these processed foods with brine shrimps,bloodworms or dried blackworms, crickets, fruit flies, and grasshoppers.

Searchfish foodin our High Quality Fish Foods collections.

Jack Dempsey Tank Setup:

Aquarium Filtration

The natural habitat of Jack Dempsey fish is slow-moving waters. To keep the water clean and provide a slow-moving current, a filtration system will be needed. Make sure the filter matches with your tank size.

Here are some great ones to consider:

Aquatic Plants

Deep-rooted and floating plants are important in a Jack Dempsey fish tank. You can add some aquatic plants like anubias, Java fern or floating plants like hornwort in your fish tank

    Interested in Live Plants for your aquariums? Click here to see more Fish Live Plant

    Aquarium Decorations

    Ideal Ornaments could be caves and hollow decorations:

    After more nice quality decorations? Check ourAquarium Ornaments.


    Choose a sandy, muddy substrate that closely matches the fish’s wild habitatSubstrates are available at Coburg Aquarium. 

    Additional Information

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    Fish Keeping Snapshot :

    Preferred Water Parameters :

    Aquarium Set-up Service:

    Our design team enables us to create the tank you desire, install your tank where you wish to and provide a maintenance service to ensure everything runs smoothly. We can create almost any aquarium from the small home aquarium to large commercial aquariums for offices, hotels or restaurants. Coburg Aquarium, Australia's leading aquarium shop.

    Please contact us if you need any custom tank services.

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    Sharon C.
    Australia Australia

    Jack Demsey

    Love the quality and ease of ordering on line with coburg aquarium