Discus: The whole truth and nothing but...
Beliefs passed through the hobby may not be necessary, beneficial or even accurate - as you'll discover:
It's said they need RO water
All Discus will live in water prepared by a reverse osmosis filter - but do they all need it?
Much will depend on the water your fish have spent their lives in prior to reaching your tank.
Wild Discus will require soft, slightly acidic water and generally the only way to achieve this is to use a reverse osmosis filter. Some areas of the UK have soft water on tap, but, even then, it would be wise to run it through carbon.
Asian Discus are also raised in soft water, so will appreciate the same water preparation for wild Discus. Some aquarists acclimatise their Asian Discus to UK tapwater, but top breeders such as Jeffrey Tan advise soft water.
European-bred Discus, however, are quite happy and will even breed in harder water - the reason being they have now been tank-bred over several generations and have adapted to it.
Your best course of action is to seek the advice of your chosen Discus supplier, but an increasing number of keepers are considering an RO filter a product very much of the past.
You shouldn't mix fish from different suppliers/countries
In my opinion the answer is no, but if that didn't happen the hobby would grind to a halt.
Keeping Discus successfully is made easier by eliminating the known risks and there's conclusive evidence that sometimes, when two batches of fish from different sources are put in the same tank, it can have devastating results - with one set becoming very sick in just a few days.
I need to stress that this is not an Asian/German 'thing', as it's often referred to in the hobby. It can involve two batches of fish that have simply been purchased from different shops.
So how do we avoid it? Don't do it! However, if you want fish from different places then there's a simple procedure to follow.
Usually people will have a happy tank, go out, buy some new Discus, pop them in the tank and 48 hours later notice a problem. So keep your fish in separate tanks while the newcomers undergo a period of quarantine.
During this time avoid transferring even a single drop of water from one tank to the other.
After a few weeks take a new fish and an existing fish and put them in a tank together. If after ten days they are fine you can reasonably assume that all is well.
If the fish are going to 'cross contaminate' it will show itself within a 48 to 72 hour period. This is generally referred to as 'Discus plague' and can be treated, although not always successfully, using salt dips/formalin and malachite green/acraflavin.
Yet is the risk worth the worry? Only the individual fishkeeper can decide, My advice, however, is to avoid known risks.
Discus must have a red eye to be considered a worthy specimen
In the main, wild Discus do have bright red eyes, so some fishkeepers consider a red eye a must characteristic.
However, most Discus available today are domestically-bred mutations and the eye can be yellow/red/albino and so on.
Regardless of the colour, always pick fish that have an eye proportional to body size. It should also look clean and bright, as the eye is a good indicator of the fish's state of health and age.
Males have longer ventral fins than females
Sometimes but not always. Discus fins are like fingernails, continually growing and 'dropping off' - not literally, but the fish is able to replace the soft areas of its fins.
I believe the size and shape of the fins is directly linked to fish genetics, the quality of the diet and water provided for it.
Males, when breeding, do often have longer ventral and dorsal fins than females, but I believe this characteristic is more an indication that the fish is in good condition than anything else.
They must have a very low pH to survive
Discus will survive in a broad range of pH values and again the origin of the fish will need to be taken into consideration, but it is indeed a myth that the pH in the wild is constantly very low.
During the rainy season the water in rivers and lakes will have a near neutral pH.
Far more important for domestic Discus is a consistent pH - and nearer to neutral the better.Constant adjustment of pH in water is poor husbandry and will inevitably lead to health issues.
Don't feed them beefheart because it's not natural
Nonsense. Most of the world's Discus breeders feed a beefheart mix and, in some cases, have done so for more than 50 years.
Feed your Discus what you see fit and offer a varied diet, as feeding is part of the fun of keeping fish! People often say "I wouldn't want to eat the same food every day" — but we eat to survive and for pleasure. Animals just eat to survive.
Feeding Discus is a subject on which every keeper will have an opinion, usually different!
Discus will only accept red foods
No. Discus will also happily accept brineshrimp, mussel, whiteworm and so on.
Fish use more than just their sight to locate food, but there's a school of thought that, because of their colour, red foods are much easier to see. A well-known brand of granulated food was initially produced blue, but trials indicated that a red version was eaten first, so red was promoted!
Healthy, happy Discus will eat a variety of food, the important factor being to feed them regularly and in sufficient quantity.
They need to be given bare bottomed tanks
Discus don't, but they are messy and people who keep them in such tanks usually do so for their own reasons.
It's easier to remove the waste, wipe down the sides and generally keep bacteria and pathogens minimal, but in a domestic setting people will often want a decorated tank with substrate and aesthetically that's quite understandable.
Maintain it properly and all will be fine. The most important regime is to remove uneaten food.
They won't breed because they were taken away from their parents and no longer have the parental instinct
This is a very hot and complex subject, but extensive tests would appear to disprove this 'myth.'
They can be sexed just by looking at them
Even adult Discus are hard to sex just looking at them. Getting it right all of the time is impossible. Watch their interaction and it becomes easier.
Spend some time looking at the 'tubes'. Males' are pointed, females' shorter and blunt.
One thing's for sure though. If a pair forms in a tank it is blatantly obvious, as they will shove the rest of the fish up the other end!
Sexing Discus under 14cm/5.5" is all but impossible.
They can't ever be sexed just by looking at them
As you gain experience you get an instinct as to each fish's sex, but getting it right is difficult and at some point they will humble you.
You shouldn't buy small ones
It's not a good idea to buy small Discus in groups of less than eight to ten — the reason being that Discus are shoalers and get their security from being part of a shoal. Would-be buyers often say they will take 'a couple to try them' but this really is the wrong way to keep Discus.
They shouldn't be mixed with angelfish
Discus don't live with angels in the wild, but many enthusiasts keep them together in domestic aquaria.
As with any fish, there's a risk of cross-contamination and with both being territorial and, in the case of the angels being predatory, there's a potential problem. My doctrine is, as ever, to avoid known risks.
These fish are very difficult to keep...
You can make Discus keeping as hard as you like! People do, but those who enjoy the best success and relish in the hobby will in the main keep things very simple. Domestically-bred Discus are really no different to any other fish and these are the very basic rules:
- Keep them in groups, as they are a shoaling species.
- Provide them with chemically clean water.
- Undertake weekly water changes of a minimum 25%.
- Install a fully mature biological filter.
- Maintain a consistent pH and hardness, as advised by the supplier.
- Initially buy good healthy stock. Look around and don't buy on impulse.
- Feed them well, Discus will eat a lot.
- Keep your hands out of the tank! Don't take that literally, but don't go looking for non-existent issues.
- Join the PFK forum and a dedicated Discus forum, and establish a relationship with your supplier.
Making the right preparations
There are many opinions and different methodologies seem to work for different Discus keepers.
With better fish quality now available, water preparation filters being more affordable and with knowledge gained and shared in PFK and on the Internet, it's possible for anyone to keep Discus.
No more mystery and secrecy — just follow these tips:
Tank size: Bigger is better, as more water makes it easier to maintain quality. If you buy smaller Discus the more water you will have and the better they will grow.
I think a 120 l/26 gal tank is minimum and, with prudent husbandry, one fish per 20 litres of water is fine.
Water parameters: These will depend on the source of your Discus, so discuss the finer points with your supplier. However, the common denominator for any Discus is to provide chemically clean water — and plenty of it.
Discus like it a bit warmer than bread and butter tropical fish and 28-30°C/82-86°F is fine. Discus will not tolerate ammonia or nitrite for very long. They are more tolerant of nitrates, but keeping this as low as you can with water changes is extremely benefical.
Size to buy: This will again depend on several factors, not least your budget! With most Discus being mutations/hybridised, the bigger they are the more sure you can be of what the fish will ultimately look like.
What you see is what you get with fish 10cm/4" and larger. When buying smaller look more for good shape and activity. Buy those constantly looking for food and allow them to develop into what they are.
Avoid shy fish and always ask to see the fish feeding before buying. Take home a group, unless adding to a collection or buying a breeding pair.
Filtration: A mature sponge filter will do the job, but an undertank sump or canister filter will be more efficient at removing solids.
Water preparation: The water needs to be chemically clean and free of chlorine, chloramines or heavy metals. Reverse osmosis or HMA filters are the most economical way long term. Over-the-counter additives remove and bind these factors, but use a carbon-based filter for best results.
Jack Wattley Discus Fish
We pioneered the discus fish hobby and have over 60 years of experience breeding and raising the finest quality discus fish you can find. We have a variety of discus fish for sale. If you are looking for quality discus fish, you have come to the right place. We believe our discus fish are the healthiest you can find. At our hatchery, we cycle over 7000 gallons of water every day.
In the beginning, we started out as discus fish hobbyist and haven’t changed. We still love tropical discus fish! Our shop has our discus strains in five product categories; Wilds, Blues, Reds, Spotted’s, and Yellows.
Bringing you some of the best discus fish strains available in the hobby at the best wholesale prices is our commitment. We guarantee healthy live delivery and provide you an easy to follow acclimation process.
Please join Wattley Discus to receive helpful articles, discount coupons, and advanced notice when the fish hatchery is ready to release new discus.
Discus Freshwater Aquarium Kings
Discus Freshwater Aquarium Kings. Discus have long been know as the “King of the Aquarium” The discus is native to the Amazon and its tributaries. The discus is currently recognized as having two species and five subspecies: • Symphysodon discus discus-Heckel Discus • Symphysodon discus willischwartzi-Blue Faced Heckel Discus • Symphysodon aequifasciata aequifasciata-Green Discus • Symphysodon aequifasciata haraldi-Blue Discus • Symphysodon aequifasciata axelrodi-Brown Discus Although there are 5 subspecies of discus, many discus experts believe that there is only one species with many color variations. Resent studies being done on the DNA of discus seem to support the one species theory. Today most of the discus found in aquarium trade are domesticated, man developed color strains. It has almost become a rarity to find wild caught discus for sale. Discus are easy to keep as long as you provide the right water conditions. People that have problems with keeping discus are often providing the wrong water conditions, and diet. If you follow our directions, you should have no problem with keeping discus. Water conditions Discus Freshwater Aquarium Kings. Discus come from water that is very soft, very acidic, and very warm. To maintain discus in your home aquarium you should provide water that has a pH of 6.5 to 6.8, with a hardness of 20 to 60ppm, and a temperature of 82 to 86°F. It is very important that you keep discus in very warm water, because they can become sick if kept at temperatures below 80°F for an extended period of time. Discus require frequent water changes for proper growth. We recommend that you make 30% water changes at least once every 2 weeks for a lightly stocked aquarium, but to maximize growth 30% once a week would be even better. The water changes dilute the accumulation of nitrate (NO3) which is believed to be a growth inhibitor. Discus prefer water that is calm, so it is important that you do not buy a filter that creates a fast current. For discus there are many acceptable methods of providing filtration. We would recommend a hang on filter, an outside canister filter or an internal power filter with a wide mouth out take and the ability to control the flow rate. Feeding Discus should not be fed on red meat alone as this can lead to a disease called “hole in the head”. A good beef heart mixture that includes vitamins & vegetation is an excellent food for discus we recommend frozen “Discus tucker”. Discus also need to be fed on other foods including dried foods like spirulina flake, high protein pellets, freeze dried tubifex worms and also live foods like white worms.The more variety of foods you can give your discus the better. For optimum growth, young discus should be fed 3 times a day and adults can be fed once or twice a day. Tank Mates When creating a discus community aquarium you should make sure that the discus are the dominant fish. No specie of fish should be added to the aquarium that can out compete the discus for food. This can limit the number suitable tank mates for discus. Angelfish should always be avoided, because they can carry internal parasites that can be passed on to discus they are also another species of cichlid therefore they can fight and compete with the discus for food. Here is a short list of just a few species of fish we would recommend you keep with discus:Cardinal Tetra, Rummy nose Tetra, Black neon Tetra, Neon Tetra, Corydoras, Harlequins, Ottocinclius, Rosy Tetra, Bleeding Heart Tetra, Lemon Tetra, Black Phantom Tetra, Glass Catfish + lots moreAsk one of our staff members for some more recommendations by clicking HERE or call us Albany 094154157/Mt Roskill 096205249
Origin:Discus are Cichlids, and their ancestors came from the Amazon and other Rainforests in South America.
But now of course they live in aquariums all over the world.
Maximum Size: In aquariums, Discus can grow to be about 6" long and rarely even larger.
Behaviors:Discus are usually not aggressive fish, but from time to time the can be territorial.
Compatibility: Some recommended tank mates include, Angelfish, Dwarf Cichlids, and Tetras like Glofish, plus Cory Catfish and a Dwarf Pleco.
Click here to read more about compatible groups of pet fish.
Temperature: Discus live best from about 75 to 84-degrees F. with 80 being perhaps ideal.
Click here to learn about aquarium temperature, aquarium thermometers, and aquarium heaters.
Feeding:Premium Fish Food Pellets is best to feed to Discus. Smaller sized pellets when young, and larger sized pellets when bigger, is the ideal food for these fish.
Click here to learn more about and shop online for premium fish foods.
Water Conditions: These fish can adapt to most types of water, and so as usual it's best not to try to change the pH or the hardness.
Click here for a lot more information about aquarium water conditions.
Aquarium Size: Discus will eventually need to live in an aquarium with at least 60-gallons of water, but of course bigger is better.
Decor: Discus do not need gravel, and a layer of gravel more than 1/4" thick will usually fill with bits of uneaten food that will contaminate the water.
Click here for more about aquarium gravel.
Live plants are beautiful and improve the water quality, and Discus seem to love live plants and are healthier in planted aquariums.
Driftwood also seems to improve the water quality, but of course you must be sure it well cured and of the proper variety of wood for an aquarium.
Aquarium Filter:Bio-Wheel Filters are highly recommended.
Most 60-gallon aquariums have room along the back for at least two Penguin 350B Filters, and this is sort of a minimal Discus set up.
Better is a 120, 150, or 200-gallon aquarium with as many Penguin 350B Filters as will fit across the back.
Click here to learn more about aquarium filters.
The addition of Lava Rocks will keep nitrates in the ideal range.
Click here to learn more about using Lava Rocks in aquariums.
Life Span: Discus can live for several years. Keep the water conditions excellent and feed them premium foods, and they may live for many years.
Gender: It's difficult to tell males from females, when they are very small, but when mature, the male usually has more vibrant colors while the female is often plumper.
Breeding:Discus females will lay eggs on a flat surface that they previously cleaned off.
The male will fertilize them, and then both the male and female guard and tend to their eggs.
When the eggs hatch, the baby Discus feed off the mucus on their parent's sides.
The water will need to be warmer, soft and slightly acidic for best breeding.
Click here for a lot more about breeding various tropical fish in aquariums.
Popularity: These fish have been very popular in the aquarium hobby for a long time.
Names: The scientific name for these Discus is Symphysodon aequifasciatus.
Variations: There are many color variations of Discus in the aquarium hobby.
We hope you've enjoyed reading these comments.
DrT - 01/12/2014
Sale for freshwater discus
A message from the Owner:
Welcome to Dennis Discus Fish. As you have discovered our website, it is clear that you are interested in discus fish. Whether you’re thinking about creating a personal aquarium or acquiring a unique addition for your collection, then rest assured, you’ve come to the right place.
We appreciate your business. We will do our best to make sure you are satisfied with every order that you make with us. Once you’ve placed your order through the drop-down menu, we will select your discus and make a short video of it and email it to you. As a standard practice at our store, we feel that sharing a video before ordering ensures that your expectations will be met while also helping us improve customer satisfaction.
You have decided to buy discus fish from us, and we respect your choice, time, and feedback. We take extreme pride in our business and have built our reputation on being honest about the size of every fish we have sold. You will receive our professional recommendations when selecting a discus strain.
We launched this store to earn your business and to become your primary source for discus fish and freshwater stingrays.
The inherent goal of our business is to bring joy into your home with the finest selection of discus fish.
We import captive-bred discus fish from our partners and the largest fish farms throughout Asia.
Enjoy our selection!
Remaining completely naked, he stood up and looked at himself in the mirror. There is a tummy, yes, not without it, but the hair on the head is not yet very sparse, the hair on the chest and. Stomach is not even gray yet.
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