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Results 1 to 5 of 5
  1. #1

    Join Date
    Jun 2017
    Location
    Springfield MA USA
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    37

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    Default Freshwater Fish Profile: Redhook Silverdollar (Myleus Rubripinnis) by Aqua Alex


    1 Not allowed!
    Redhook Silverdollar (Myleus Rubripinnis)
    Common Name: Redhook, Red fin Silverdollar
    Genus: Myleus
    Family: Serrasalmidae (a family that includes Piranha, Pacu, Metynnis, Myleus, Myloplus, and Mylossoma)
    Origin: Northern South America (Ecuador, Venezuela, Colombia, Peru, Brazil and more)
    Care Level: Easy
    Redhooks are very easy to keep provided that they are housed in an appropriately sized aquarium with plenty of filtration, clean water, and other redhooks as they are a schooling fish.
    Full Grown Size: Up to 12íí
    Diet: Myleus silverdollars are omnivores. This means that they will eat both meat and vegetables. Thus they are not picky eaters and will quickly learn to eat any and everything offered. Some examples of foods that I personally have found Redhooks to love include lettuce, market shrimp, bloodworms, blackworms and Krill. Provide them with the best quality pellet and flake food you can and mix in other goodies mentioned above.
    For the best quality pellets and flake foods please check out: www.yourfishstuff.com
    Tankmates: Redhook silverdollars are a schooling larger growing tetra that are suited for larger community aquariums. Redhooks should be kept in groups of 3 or more. You can also mix and match with other silverdollar species because in the wild many different silverdollar and pacu species are found swimming near each other in search of food and protection. Because of their larger growing size, I would personally avoid keeping these with smaller fish like neon tetras because there is always the risk of the redhooks having a snack. They pose no threat to other medium to larger fish. Hobbyists should be aware that occasional redhooks chasing each other is nothing to fret as this is common behavior in Myleus and their family in general and it is most likely a chance for them to establish a dominant redhook. Fish too large to be eaten are good tankmates! They can also be used as a dither for larger aggressive cichlids or monster fish tanks. Tank mates can include but not limited too: Other Myleus species, Metynnis species, Pacu, Flagtail Prochildous, Severums, Oscars, Angelfish, Chocolate Cichlids, Fancy Plecos, corydoras catfish, Arowanas, freshwater stingrays and the list goes on and on and on!
    Tanksize: Due to the fact that they can grow up to 12íí I would recommend a 75 gallon for a pair and larger for more. You can grow them out in smaller aquariums, however a big tank with lots of swimming space makes these guys thrive. 75 gallons to 1,000 gallons is the range for these guys. The more space the better.
    Water Conditions: Very simple. P.H. 6.8-7.4 68-74 degrees F. Same water as any other hardy fish. You can use Amazon Blackwater aquarium solutions to create a natural biotope with other South American fish. Water changes should be done weekly.
    AQUA ALEXíS FINAL REMARKS ON REDHOOK SILVERDOLLARS:
    The Redhook Silverdollar is one of the most common Myleus species available in the aquarium hobby. With them being so common, some fish and pet stores will often confuse them with the common silverdollar (Metynnis Argenteus). But they are both 2 different fish, with the redhook having a much different body shape and look. A redhook silverdollar will have a black trimmed red anal fine (aka Hook) and be much more thicker wider and longer than a metynnis species.
    As Redhook silverdollars mature, their coloration deepens. Redhooks may develop red spots, red patches and even red stomachs as they reach maturity.
    It is normal for a newly add redhook silverdollar to be skittish upon arrival to itís new fish tank. Leave the lights off for the full day when added to the aquarium. Make sure there are other silverdollars in the aquarium for it to feel safe.
    For states where Piranhas are illegal to own, redhooks are your solution. Not only do they (and other Myleus) have the piranha look and shape but they are not aggressive and can in fact live with other fish while piranha canít. Plus, redhooks are a LOT cheaper than piranha and are imported more frequently as well. Generally prices from juvenile redhooks can be anywhere from $12 to $20 depending on location and individual pet store and larger redhooks can vary from $30-$50 once again depending on the area you live and your pet store.
    If you are looking for some activity in your predatory fish tank or monster fish tank, redhooks will add that activity. They constantly school and are always swimming. There presence will eventually draw your predatory fish out from hiding as they will realize that it is safe to come out because there is no bird or predators that would get them in the wild. Plus, no more food will go to waste. They attack like piranha when itís feeding time.
    These are one of my childhood comfort dream tropical fish and a fish I will always keep and recommend for someone looking for larger tetras.
    If you have any further questions on Redhook silverdollars, please feel free to contact me and ask them.
    If you donít have any yet, consider adding a spark of red gold and silver to your aquarium!
    Thanks for reading!
    All the best!
    Written and Produced by:
    Aqua Alex Cardinale Exotic Tropical Fish with Aqua Alex © on AC Network
    Host of Exotic Tropical Fish with Aqua Alex on AC Network.

    Enjoy your aquarium. Do what you want with your aquarium. Do not seek approval for your own aquarium from someone else. We all have different minds. If you want a certain fish research the fish and learn about it. Then get it.
    -Aqua Alex Cardinale

  2. #2

    Join Date
    Aug 2012
    Location
    Gods Country, Eastern High Sierras, California
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    1 Not allowed!
    Nice job
    Perfection is not attainable, but if we chase perfection we can catch excellence.
    Once you learn to quit, it becomes a habit.
    -Vince Lombardi

    ďBe more concerned with your character than your reputation, because your character is what you really are, while your reputation is merely what others think you are.Ē ― John Wooden
    Sandy Hook Elementary......Lest We Forget
    See my profile for my tanks and what fish I keep

  3. #3

    Join Date
    Jun 2017
    Location
    Springfield MA USA
    Posts
    37

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    0 Not allowed!
    Quote Originally Posted by steeler58 View Post
    Nice job
    Thank you! :)
    Host of Exotic Tropical Fish with Aqua Alex on AC Network.

    Enjoy your aquarium. Do what you want with your aquarium. Do not seek approval for your own aquarium from someone else. We all have different minds. If you want a certain fish research the fish and learn about it. Then get it.
    -Aqua Alex Cardinale

  4. #4

    Join Date
    Oct 2010
    Location
    inland northwest, U.S.A.
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    I noticed in the article that the temperature range for these fish is between 68 and 74 degrees F. That means they can tolerate cooler water than strictly tropical fish. I would consider them if I had a larger tank. My biggest is 65 gallons, and there are fish in there small enough to become snacks for them.

    One question: Are they compatible with Dojo loaches?

    I may someday get a larger tank, and if I do, my dojos will get to enjoy the advantages of the larger space. But could I keep them safely with this variety of Silver Dollar? I take it they aren't aggressive, but they may not be accustomed to being around Dojo loaches, either.
    20 gal. high: planted; 5 white cloud minnows, 4 golden White Clouds, several RCS, 2 blue shrimp, 5 Amano shrimp, several snails; Azoo air. 65 gal: planted; 6 rosy barbs, 6 yellow glofish, 3 red glofish, 3 zebra danios, 5 white cloud minnows, 3 dojo loaches, 6 crimson spot rainbow fish, 12 large Amano Shrimp, several snails; AC110.

  5. #5

    Join Date
    Jun 2017
    Location
    Springfield MA USA
    Posts
    37

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    0 Not allowed!
    Quote Originally Posted by mermaidwannabe View Post
    I noticed in the article that the temperature range for these fish is between 68 and 74 degrees F. That means they can tolerate cooler water than strictly tropical fish. I would consider them if I had a larger tank. My biggest is 65 gallons, and there are fish in there small enough to become snacks for them.

    One question: Are they compatible with Dojo loaches?

    I may someday get a larger tank, and if I do, my dojos will get to enjoy the advantages of the larger space. But could I keep them safely with this variety of Silver Dollar? I take it they aren't aggressive, but they may not be accustomed to being around Dojo loaches, either.
    Yes, these guys are quite hardy and will do well in pretty much any temperature.
    Yes, the redhooks should do totally fine with the dojo loaches.
    Host of Exotic Tropical Fish with Aqua Alex on AC Network.

    Enjoy your aquarium. Do what you want with your aquarium. Do not seek approval for your own aquarium from someone else. We all have different minds. If you want a certain fish research the fish and learn about it. Then get it.
    -Aqua Alex Cardinale

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