Intermediate Reflection D Cross Discus

Intermediate Reflection D Cross Discus


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Have you ever seen the stars inside? In the majestic glow worm caves in New Zealand, beautiful bioluminescent shades of blue light up otherwise dark caverns to create natural starry nights van Gogh himself would be jealous of.

When I gaze upon the Intermediate-Reflection-D-Cross-Discus, its prominent bright blue scales dashed with a few spots of brownish-orange make me feel like I am peering at a little star shining underwater.

Watching one of these fish swim and dart about my tank reminds me that Mother Nature will always be the world’s most celebrated painter, and that by having one I am a proud owner of a unique, moving, breathing piece of artwork signed by the world’s best artist.

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2 reviews for Intermediate Reflection D Cross Discus

    Intermediate Reflection D Cross Discus photo review
    Andrea A., Leesville, TX (Verified Customer) April 25, 2022
    May 1, 2022
    Fish arrived tonight. First off, WOW are they beautiful Michael!!! Went right into their quarantine tank. Four are doing great and are swimming and lo...More

    Fish arrived tonight. First off, WOW are they beautiful Michael!!! Went right into their quarantine tank. Four are doing great and are swimming and look happy. Two are quite distressed. One is upright laying slightly to side on bottom of tank. The other is totally on his side. Both are breathing so I'm hoping for best. They are beautiful and if hate to lose them.

    I'll let you know in am if they make it thru night. All lights are off and will remain off for the 48 hrs. Since it's late I'll phone you tomorrow.

    Michael, Update: All 6 discus are doing great. The two distressed have rebounded and ate. The Penang Blue Knight is stunning. I may get another soon (would be terrific if I ended up with a breeding pair) ha ha ha. Pics will be sent when I get home from work tonight. --Andrea

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    Intermediate Reflection D Cross Discus photo review
    Brent R., Mckinney, TX (Verified Customer) May 6, 2021
    May 23, 2021
    Good afternoon Michael happy Friday. This is Brent R. the fish delivered Tuesday and I love them. This is from yesterday afternoon when I turned on th...More

    Good afternoon Michael happy Friday. This is Brent R. the fish delivered Tuesday and I love them. This is from yesterday afternoon when I turned on the lights! I was wearing my tshirt yesterday when I was acclimating my fish.

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Every fish we sell bears our gold seal that represents the promise to our customers. When you make a purchase with us, you are entrusting our team with shipping you a collector grade specimen of unparalleled quality, beauty, size, and heft based on our judgement accrued over 25 years of experience. We guarantee the fish you receive will match the exact fish represented in our product photos. We are the gold standard of discus. Note: our discus are always measured from tip of nose to end of tail.


Category Rating
Care Level: Moderate, see our Learning Center for comprehensive care.
Temperament: Peaceful
Color Form: Huge variety available
Lifespan: 15-25 Years
Adult Size: 8-12 inches
Diet: Omnivorous
Family: Cichlidae
Minimum Tank Size: 50 gallons
Tank Set-Up: Bare-bottom, or Intermediate
Compatibility: Often compatible

Natural Habitat for Discus

Discus are found in floodplain lakes and flooded forests of the lowland Amazon River basin and some of its tributaries, including the Rio Negro.  These areas experience extreme changes in water level due to seasonal flooding.  Discus tend to congregate near fallen trees, known as “galhadas”, along the shore.  They prefer quiet water, and are rarely found in areas where there is strong current or wave action.

Discus Water Requirements

Discus prefer warm, soft, acidic water.  pH should be between 6.0 and 7.0, with hardness between 1° and 4° dKH (18 to 70 ppm).  Temperature should be kept between 82° and 89° F. Water conditions for both wild and hybrid discus are the same. While captive bred discus can be kept in dechlorinated tap water  reverse osmosis or deionized water supplemented will ensure the the best conditions. Discus require pristine water quality, and depending on the filtration system being used, a weekly or bi-weekly water change of 10% to 25% is highly recommended. Don’t forget to treat tap water with conditioner before refilling your aquarium!  

Housing Requirements for Discus

Discus grow to be quite large, and full sized discus will require an aquarium of 50 gallons or larger when they reach adult size.  Tall aquariums are best, to accommodate their body shape.  Current should be gentle, and décor if used at all should include large broadleaf plants and driftwood that is arranged vertically to simulate downed branches and trees.  A few floating plants can also be added to provide shaded areas and cover. Substrate should be fine to medium grade and smooth surfaced, as discus like to forage along the bottom for food.

Discus Behavior/Compatibility

Discus are generally calm, peaceful fish, but as cichlids they can be aggressive toward one another, especially when attempting to pair off and spawn.  Shy or submissive fish should be removed if they are unable to compete. Most serious hobbyists do not mix their discus with too many other species. However, suitable aquarium mates include cardinal tetras, neons, emperor and rummy nose tetras, as well as clown loaches and dwarf cichlids such as rams and Apistogramma species. All of these fish tolerate the high temperatures and low pH/hardness required by discus.  

What do Discus Eat?

In nature discus eat a considerable amount of plant material and detritus, but also forage along the bottom looking for worms and small crustaceans.  They are omnivores and will thrive on freeze dried black worms, beefheart, frozen blood worms, and a variety of pellet and flake food. Frozen and live foods may be fed as treats or to help induce spawning.  For best results, rotate their diet daily and feed only what they can consume in 2 to 3 minutes, once or twice a day.

Discus Breeding Level – Difficult

Captive bred discus will pair up and spawn relatively easily, but young, inexperienced parents may eat their eggs the first few times, particularly if other fish are present.  After hatching the young feed on heavy body mucus secreted by the parents for a few days until they begin to free-swim.  Parents will transfer the young back and forth several times a day.

Q: How are your stated fish measurements conducted?

A: All measurements are made from tip of nose to end of tail. Photographs are representative of the strain or variety, and not the exact specimens that will be shipped.

Q: How do I make a purchase?

A: Every discus you see on our website is available for immediate purchase and ready to be shipped to you. Click the “Add to Cart” button on your desired products, adjust your quantities, and follow the checkout instructions. We honor all special requests. Please allow a 2-day minimum handling period for discus.

Shipping Tiers for Live Tropical Fish: 

  • Discus/Altum orders over $600: choice of a free gift of a breeding cone or t-shirt. Use the promo code BONUS-CONE after adding your selection to your cart.

Blackworms: Free USPS Postal Shipping

Plants: $10 FedEx Priority Shipping, Minimum Order: $15

International Buyers Please Note: Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer’s responsibility. Please check with your country’s customs office to determine what these additional costs will be prior to purchasing.


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