Penang Blue Knight Discus

Penang Blue Knight Discus

$52.00$167.00

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$52.00$167.00

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What could be considered the topaz of the aquarium world, the Penang Blue Knight features a blend of azure and light-sapphire tones. The characteristic lateral and oval shape serve as a palette for horizontal burgundy and dark brown stress bars reminiscent of Impressionist-era brush strokes. The patterns intersect at the forehead, where they run across a narrow face to form an intricate zebra pattern in between splashes of blue and their signature red eyes.

The blue hues and patterned stress bars cover the body and remain consistent on the dorsal, rear, and pelvic fins. The only shift in the overall design is the light blue, beige, and black spots that color the base of a near-transparent caudal fin.

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18 reviews for Penang Blue Knight Discus

    Penang Blue Knight Discus photo review
    Jay C., Ft Myers, FL (Verified Customer) October 14, 2021
    December 26, 2021
    You are definitely one of the good guys.
    All of the discus are up and moving this morning. The albino is still not 100% but better. I offered some food this morning. Some ate frozen blood wor...More

    All of the discus are up and moving this morning. The albino is still not 100% but better. I offered some food this morning. Some ate frozen blood worms. Some didn’t eat. I expected that. They are settling in. I’ll offer up some live brine shrimp later today to see if I can jump start their appetites.



    The Sterbi’s are all doing good. I owe you for 1. You sent 9. Two of the gold nuggets are doing well. One is not moving much. We’re they tank raised or wild?



    All in all I’m very pleased. I’ll get some pictures to you this morning.



    FYI I’ve bred discus back in the 70’s and 80’s. Small time but I had 1500 gallons and probably 10 or 12 pairs at any given time. I loved my Heckles and Tefe’s the best. At that time there were some new crosses coming out. Solid colored, blues and greens mostly. The reds came later and were nothing like the reds of today. I’m partial to the wild discus always have been, but I really like all of the crosses you offered. I which I had more tank space.



    I had switched to salt water and raised corals for 30 years. 18 plus tanks and 1000 gallons. I sent corals back to the oceans through the Chicago marine club of which I was the president of. That was a tough gig. All this time I’ve missed the discus. I have no intention of breeding anymore. Just taking care of them. Watching them has brought back memories of the fish and friends I’ve met through the years.



    There is a lot of sellers out there who are taking advantage of the people looking to get into keeping discus. You are definitely one of the good guys. You are a rare guy, Mike. Keep up the good work. Thanks Mike.

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    Penang Blue Knight Discus photo review
    Stacie T., Oak Creek, WI (Verified Customer) December 14, 2021
    December 26, 2021
    Yes, they all arrived and are getting acclimated. I never realized how some look so much like the other ones. I’m hoping they all make it. They are mo...More

    Yes, they all arrived and are getting acclimated. I never realized how some look so much like the other ones. I’m hoping they all make it. They are mostly hiding right now. I’ll keep you posted!

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    Penang Blue Knight Discus photo review
    Renardo M., Enterprise, AL (Verified Customer) November 15, 2021
    December 19, 2021
    Good morning Michael, I’m and enjoying the discus and I’m wanting to get 4 more with a few more Corys. It’s probably going to be in February or Januar...More

    Good morning Michael, I’m and enjoying the discus and I’m wanting to get 4 more with a few more Corys. It’s probably going to be in February or January I’ll order them and looking forward to getting some new colors for the tank. Thank you for the awesome service! They eat from my hands! And are so happy and swimming all day long!

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    Penang Blue Knight Discus photo review
    Penang Blue Knight Discus photo review
    Penang Blue Knight Discus photo review
    +1
    Carmen H., San Tan Valley, AZ (Verified Customer) November 17, 2021
    November 30, 2021
    Thank you Michael! All is good, we took the acclimating slow and it paid off. Didn’t know if the Blue Penang was going to make it due to the delay fro...More

    Thank you Michael! All is good, we took the acclimating slow and it paid off. Didn’t know if the Blue Penang was going to make it due to the delay from FedEx, but after a few days all good. Melon was a trooper from the start.

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    Penang Blue Knight Discus photo review
    Rich B., New Haven, CT (Verified Customer) October 21, 2021
    October 31, 2021
    Michael:
    I have always ordered my Discus from Jack Wattley and this is the first time I ordered from you. I must say, I'm impressed with the quality ...More

    Michael:



    I have always ordered my Discus from Jack Wattley and this is the first time I ordered from you. I must say, I'm impressed with the quality of your fish as well as your shipping! Thank you!!



    Rich

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    Penang Blue Knight Discus photo review
    Penang Blue Knight Discus photo review
    Penang Blue Knight Discus photo review
    Penang Blue Knight Discus photo review
    +2
    Brad S., Riverton, UT (Verified Customer) August 22, 2021
    September 5, 2021
    I was worried about salient peppering and dark background. The quality fish you sent have such light peppering that it isn't a problem. You ruined me,...More

    I was worried about salient peppering and dark background. The quality fish you sent have such light peppering that it isn't a problem. You ruined me, man...lol. I was going to get a saltwater, but now I'm going to simply get a bigger tank. These guys are worth it.

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    Penang Blue Knight Discus photo review
    Penang Blue Knight Discus photo review
    Penang Blue Knight Discus photo review
    Penang Blue Knight Discus photo review
    +2
    Lauren W., Owenton, KY (Verified Customer) July 18, 2021
    August 23, 2021
    Iridescent Blues (3.0-3.5")
    I recieved 10 discus altogether. They came on time, exactly when I requested, and packaged very well.

    This is a beautiful blue fish. If you are looki...More
    I recieved 10 discus altogether. They came on time, exactly when I requested, and packaged very well.



    This is a beautiful blue fish. If you are looking for something with brilliant blues, this is the fish. It's gorgeous even at its small size. This Penang Blue Knight will be spectacular when it is an adult! It arrived healthy and barely needed coloring up from shipping. You won't regret doing business with Michael, every fish I've gotten has been exactly what was advertised.



    These are accurately sized fish to what I ordered. Quality discus is here at this site and great customer service as well. Don't ever doubt it. Being patient on your order will pay off, but don't be afraid to reach out to Michael on any concerns. His response is quick during business hours.



    Pictures depict one fish. I want to include good pictures for the review as most reviews show a bunch and it's a guessing game which one you're wanting to actually see. I hope you find this helpful!



    Thank you Michael!
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    Penang Blue Knight Discus photo review
    Edgar G., San Jose, CA (Verified Customer) June 11, 2021
    June 20, 2021

    Yes everyone arrived fine, they are so beautiful, I'm very happy with them, and I'll 100% be buying from you again.

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    Penang Blue Knight Discus photo review
    Paul M., Stone Mountain, GA (Verified Customer) May 3, 2021
    June 13, 2021
    Please check on order # tracking #.  It shipped last Wednesday and it appears FEDEX cannot locate the shipment.
     
    On a more positive note the seven ...More
    Please check on order # tracking #.  It shipped last Wednesday and it appears FEDEX cannot locate the shipment.


     


    On a more positive note the seven remaining discus from order are settling in.  In fact, two have become good friends (to the dismay of the remaining five!).  See attached photo.  This surprised me as I was not expecting to see this for at least six months, if at all.  It also helps confirm the tank conditions are favorable for discus. Any thoughts on what a blue x red cross like this might produce? I keep the plants in trays.  This clutch turned white in a day, then were eaten.  I suspect they were unfertilized as I understand that is common with the first few clutches.
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    Penang Blue Knight Discus photo review
    Penang Blue Knight Discus photo review
    Penang Blue Knight Discus photo review
    +1
    Matthew P., Swoyersville, PA (Verified Customer) May 1, 2021
    May 9, 2021

    Yes, everything is fine. They look awesome!!

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    Penang Blue Knight Discus photo review
    Penang Blue Knight Discus photo review
    Penang Blue Knight Discus photo review
    +1
    Eric B., Zionsville, IN (Verified Customer) April 13, 2021
    April 26, 2021
    Hi Michael, the sickest died yesterday. The other one that seems to have similar issues does not seem to be deteriorating as fast and looked pretty si...More

    Hi Michael, the sickest died yesterday. The other one that seems to have similar issues does not seem to be deteriorating as fast and looked pretty similar as he did yesterday. I was able to coax him out of hiding to get a few pictures. Some fraying/loss of tips of pectoral fins, ventral fin, caudal fin and more of a dull coloration of his scales. I'm keeping a close eye on him. He's still hiding while the other five are out foraging (I have 6 in that tank)



    It is just a sharp contrast to the rest of the fish which looked in excellent condition. The blue knights in particular look amazing, very healthy, very colorful. I've got a few glimpses of the german turquoise but they are mostly in hiding still.

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    Penang Blue Knight Discus photo review
    Michael G., Vancouver, WA (Verified Customer) January 9, 2021
    April 12, 2021
    Your fish are doing excellent. The Penang blue knight is the largest in my tank at about 7" I think.
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    Penang Blue Knight Discus photo review
    Penang Blue Knight Discus photo review
    Penang Blue Knight Discus photo review
    +1
    Shelly D., Cumming NY (Verified Customer) March 10, 2021
    March 29, 2021
    My Penang Blue Knight Discus is gorgeous to look at with bold blue color and black striping he is eating like a champ and settling right in.
    Michael ...More

    My Penang Blue Knight Discus is gorgeous to look at with bold blue color and black striping he is eating like a champ and settling right in.



    Michael went above and beyond making sure I was happy with my purchase. He answered questions promptly and gave me bigger Discus than what I paid for. The 11 discus that I have are beautiful and eating great.

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    Penang Blue Knight Discus photo review
    Penang Blue Knight Discus photo review
    Penang Blue Knight Discus photo review
    Penang Blue Knight Discus photo review
    +2
    Cecil H., Douglassville, TX (Verified Customer) March 3, 2021
    March 15, 2021
    I received my fish and love them. Now I am just wondering about my plants and when they are coming? I assumed they would come at the same time. Thank ...More

    I received my fish and love them. Now I am just wondering about my plants and when they are coming? I assumed they would come at the same time. Thank you so much for getting discus shipped to me.

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    Penang Blue Knight Discus photo review
    Penang Blue Knight Discus photo review
    Penang Blue Knight Discus photo review
    Penang Blue Knight Discus photo review
    +2
    Donnie W., Topeka, KS., (Verified Customer) December 27
    January 10, 2021
    Looking good.

    Hello Michael, just a little update. Thanks again for the beautiful fish, sir.

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    Penang Blue Knight Discus photo review
    Beth P., Keizer, OR., (Verified Customer) December 3, 2020
    December 13, 2020
    Gorgeous! My fish got here very healthy and beautiful!
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    Penang Blue Knight Discus photo review
    Noelle M., Verona NJ (Verified Customer) February 11, 2020
    February 23, 2020
    Love this fish, she arrived healthy and is very spunky.
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    Penang Blue Knight Discus photo review
    Raymond H., Seekonk, MA (verified customer) 6/30/2018
    December 9, 2019
    The fish arrived at the airport on time. The packaging was Impeccable. No surprise the fish were in excellent health. The two discus a medium Albino L...More

    The fish arrived at the airport on time. The packaging was Impeccable. No surprise the fish were in excellent health. The two discus a medium Albino Leopard Snakeskin 4.5" and a large Penang Blue Knight 5.75" both stunningly beautiful and eager to get out of their rather cramped quarters. 


     


    This like all the other fish I have ordered from Michael; a consummate professional and just a down right great guy. These strains were beautiful. I cant wait to add them to my 140 gallon display tank. 

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Every fish we sell bears our gold seal that represents the Discus.com 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: 

  • $60 Airport Shipping, $80 UPS Overnight
  • Free Discus/Altum Shipping on orders over $400
  • Free Discus/Altum Shipping PLUS your choice of a Complimentary Handcrafted Breeding Cone OR Discus.com T-Shirt  on orders over $600: (add your desired selection to your cart, and use the promo code: BONUS-CONE)

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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