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Animal Species: Fish

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      05.02.2010 13:59
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      One of the best fish you can buy

      In my personal opinion, these are the best fish you can get for your tank.
      Oscars are one of the only fish you can buy that have a personality, one of the only fish you can buy that will react to you and one of the only fish you can teach tricks to. This is why they are often referred to as 'river dog' as they act like a dog but in a tank.
      They will get excited when you enter the room and approach the tank. They are also known for being beggars. They will always bug their owners for food, either by swimming up and down the tank of by head butting the roof of the tank; this is why a heavy hood is needed because you find your fish dead on the floor because they have gotten a little excited.
      You can teach them tricks, like jumping out the water for food and you can tame them so that you can stroke them.

      At this point you're probably thinking wow what a fish, I want one, but for most of you, you can have one im afraid for 2 main reasons, aggressiveness and tank size.
      Oscars are very aggressive fish and will almost always eat any fish in the tank that will fit inside their mouths. They also need a tank of at least 60gallons, or a 5foot by 2foot tank.
      They will reach a size of about 12inches but they do often get bigger and sometimes are smaller.

      They also need excellent filters in the tank because they are very messy eaters and require a lot of food.
      Oscars can usually be kept as pairs or as groups but some people find them best to keep them as singles which I don't agree with as they will become lonely on their own.
      But they can sometimes fight with other fish and other Oscars, sometimes until the other is dead.

      There a few different types of Oscars you can get the most common ones and the red tiger Oscar, the albino tiger Oscar and the red Oscar.
      They usually cost around £5-£10 each are will usually be about 2-3 inches when you buy them, which is why people make the mistake of buying them for their 20gallon tanks.

      If you choose to keep Oscars with other fish then you will need a big tank.
      Some fish you can keep them with are plecos, jack Dempsey's and sometimes pacus.


      If you do decide to get one, make sure you do lots of research before you buy them because they can end up ruining your tank.

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      25.04.2009 21:08
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      a great fish for the right owner

      oscars are a fresh water fish that are members of the cichlid family which would naturaly have come from south america where they would be found in slow moving rivers.

      These are very beautiful fish but need a lot of careful concideration before deciding on keeping these as they are not for the novic, They grow very quickly reaching adult size in the first two years of there life which is around 14 inches so are going to need a very big tank to live in comfortable and they live for around 15 years so are a long term comitment.

      Your water needs to be heated to between 22 to 28'c to keep them as they come from a warm climate.
      They are very messy eaters leaving a lot of waste behind as they dont seem to forrage on the bottom of the tank too much after food so you will need a good filter on them too, we have a large external canister on ours which does the job wanderfully and also have cat fish in the tank too to clean up the mess on the bottom aswell as an under gravel filter running.

      They are mistaken for being a very agressive fish but in my experience they are not too bad, they do have a few arguments with each other asserting there authority but this is usually just locking mouths and pushing each other, i have never seen them actually bite chunks out of each other as other fish have been known too, they can be kept with other fish but they need to be the same size or bigger as anything that fits in there mouth is food.

      Our tiger oscar is black with red stripes down his sides and we also have an albino oscar in with him along with a red tailed cat fish who all live quite happily together, they are greedy fish and will swim to the front of the tank every time you go past in the hope that you will feed them, ours are fed on pellet foods along with fish such as muscles, crab sticks and cockles.

      they are very entertaining to watch and a very sociable fish coming to look at you when you are near the tank.

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        19.11.2002 19:12
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        The tiger Oscar Scientific Name. Astronotus ocellatus. The tiger Oscar is a beautiful elegant fish for the experienced fish keeper. It is a member of the cichlid family. They are green and black with orange markings. A large empty tank preferably 4ft by 2ft by 2ft is needed to grow a pair on to their full size of approximately 30cms /12inchs. These fish are from warm water and so along with a good filter you will need a heater. These fish are very territorial and so very aggressive towards other fish of a similar or smaller size especially at feeding time, although they do seem to get along with Plecostomus, Jack Dempseys and other large cichlids. They should either be kept as a pair or in-groups of six or more. A large specimen will eat anything that will fit in its mouth including smaller fish. They will eat pellet food and live food as well as frozen and freeze dried foods. Be warned they are very messy eaters, hence the good filter. Wild caught specimens are much more highly coloured then capture breed fish. With the orange on the body being more vivid at the juvenile stage compared to the captive bred which tend to be more white. They originate from central South America. They prefer a temperature range of 72 to 85 degrees F 20 to 25 degrees C. Water chemistry isn’t critical but care should be taken to avoid extremes of pH and hardness. The tank should have gravel on the bottom with bogwood and large stones positioned in such a way that the fish can’t knock them over and break the glass. Live plants are not recommended as the fish will dislodge them or break them. Due to the size and eating habits of the Oscar regular tank maintenance is necessary with gravel cleaning once a month, along with a 25% water change. Topping up should be done with warm dechlorinated water. Sexing these fish is very nearly impossible. I’ve found its best for them to find out for themselves as they do pair off when kept in-gr
        oups. They take a while to bond and this can be a rather rough affair. After which time they clean an area for ready for spawning. The female lays between 1000-2000 eggs on the pre cleaned site and the male fertilizes them, the eggs are guarded vigorously by both parents and may sometimes be moved. When they hatch the fry eat the remains of their eggs. Then after a few days they become free swimming and are often seen in a shoal with their parents. These fish have wonderful personality and over time will respond to the owner. However they are certainly not a fish for the beginner.

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          28.06.2001 22:54
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          A 'Tiger Oscar' is a large tropical fish which comes from South America. You can buy a Tiger Oscar from a pet shop from as little as 1" long. However they can grow to around 12", so a lot of planning and preparation has to go on beforehand before you buy your Tiger Oscar. My Tiger Oscar is a 'real' pet. He's BIG. A lot of people say that size doesn't matter. But when it comes to fish I think it does. Tiger Oscars are very intelligent fish. You can teach them tricks and handle them. I like stroking my Tiger Oscar for the same reason as why people like clapping their cat or patting their dog. I think physical contact with your pet helps to establish a bond with them and it is a way of showing your affection. Now, if you are a newcomer to the fish hobby you cannot just go out and buy a Tiger Oscar (or any other fish for that matter). Well you can, but it usually results in disaster, with the death of the fish and a potential fish lover lost to the hobby. There are certain things you need to know and do. This dooyoo opinion offers the following tips which I have learned from personal experience. Thus, you should complete the following steps before buying yourself a Tiger Oscar: -Step 1: Do Your Homework. Reading up on your Tiger Oscar is a must. You will have to know all his/her requirements. You will need to know basic things like water temperature, pH, size of tank required, possible tank mates, feeding, etc. You will find books on them in any good bookshop or library. -Step 2: Set up the Tank. Now, as I've already said, Tiger Oscars are big fish. So a 4ft long tank is the bare minimum size of tank for a Tiger Oscar. A 5ft or 6ft tank would be better. And I'm sure your Tiger Oscar would like it more too!. Aswell as a tank you will need a cabinet to sit it on and a hood. Als
          o check your floorboards can take the weight of the tank beforehand. Tiger Oscars are naturally curious, so anything in their tank they will investigate and move. I would not recommend plants for the tank. It is guaranteed any plants will be attacked and dug up by your Tiger Oscar. Large rocks and bogwood are ideal for decor. When filling the tank, make sure the substrate (sand or gravel) is thoroughly cleaned in a bucket or else the water will be cloudy and dirty. Do this a few times. Make the substrate 2-3 inches deep. If using gravel I recommend medium-sliced gravel. One thing that is certain, your Tiger Oscar will be moving the gravel around. Next put a sheet of newspaper and a plate in the tank. This will help stop disturbing the substrate when pouring the water in. Pour the water onto the plate to near the top of the tank. But make sure to leave 2 or 3 inches at the top. This helps filtration and stops water splashing over the edge onto the floor. -Step 3: The Importance of Time. Patience is a virtue. When you buy your tank and have it filled with water, it is essential to wait. Have the tank up and running with the filter working and heater operating for atleast 2 weeks before adding your Tiger Oscar. This is so the filter can build up bacteria and make the water suitable for your fish. If you stock a new tank too quickly then 'new tank syndrome' can occur. Ammonia and/or nitrite builds up. This is because the water is poluted due to any excess food or fish excrement and the new filter can't cope. As a result the fish becomes stressed and too much ammonia or nitrite can kill your fish. Also, during this waiting period, use test kits to check ammonia, nitrate and pH and make sure they're okay. -Step 4: Buying your Tiger Oscar. When in the pet shop don't be afraid to ask the shopkeeper lots of qu
          estions. Ask for their opinions and advice. Also don't just buy the first Tiger Oscar you see. Choose the healthy one. Signs of good health are no missing scales, bright orange coloration, and high activity (swimming around- not lying down at the bottom or gasping for air at the top). Also don't be scared to look at a few different shops before buying the tiger oscar you want. The difference in quality of fish between different shops in terms of health and stock can vary greatly. -Step 5: Transportation. It is preferable to buy your Tiger Oscar from a shop that is quite close to home. Or if buying by mail order, then the people delivering will take care of transportation. If buying from a shop directly, then when the Tiger Oscar is put in the plastic bag make sure their is enough water for the fish to swim in, but also enough air at the top aswell for oxygen. But the person serving you should know this already. Also, if you are driving back in a car with your Tiger Oscar then make sure you drive slowly and don't go over any big bumps in the road!. -Step 6: Putting your Tiger Oscar in the Tank. It is important that you do not just plop your Tiger Oscar in the tank as soon as you get home. You will need to float the bag in the tank in order to acclimatise the water from the pet shop with that of your tank. Do this for about 30 mins, slowly adding a cup of water from your tank into the bag every 5 minutes or so until the Tiger Oscar is okay with the water. -Step 7: Maintaining the Aquarium. Once you have the tank up and running and you Tiger Oscar/s swimmming about inside, this is not the end. It is just the beginning. As with any pet, you will have to perform weekly tasks and look after your fish. The main thing is water changes. You should change the water in your tank regularly. I recommend 25% once a week
          . It is also essential to get a good syphon-powered underwater vaccum cleaner. This is used to remove dirt from the substrate at the bottom of the tank. Also, when adding water to the tank, make sure it is at the same temperature to that of the water already in the tank. And use a dechlorinator before it is added to the aquarium to make sure the tap water is treated. And use test kits to check the pH, ammonia and nitrate. Well that is the basic 7 steps to getting yourself a Tiger Oscar. And make sure you do them in that order!. Don't buy the fish and then fill the tank up when you get home because it can take quite a while to get the water to the right temperature!. However, there are a lot of extra little hints and tips and pieces of information that you might like to know before buying your Tiger Oscar. So here now is some extra stuff: So if you really are a newcomer and haven't kept fish before then here's some information. 1) What do I feed my Tiger Oscar?. Well firstly NOT flake food like you would give a goldfish. Lets rule that out. Frozen food from your local pet shop (i.e. bloodworm cubes, brineshrimp) is ideal. Also fish from your local fishmonger is good aswell (i.e beefheart, cod, lancefish). Another option is live fish. But I would think seriously about this. I personally do not feed my Tiger Oscar live fish and would not recommend it to you. This is because: - it is not neccessary - causes stress to the fish being eaten - the Tiger Oscar itself can pick up diseases from the fish it eats. You can look at breeding your own fish (i.e convict cichlids) to reduce the risk. But there is still a chance your Tiger Oscar will get a disease. - your Tiger Oscar may become, pardon the pun, "hooked" on only live fish and wont eat anything else. Thi
          s could be a problem if you can't get any live fish or have a change of heart about feeding him/her live fish. Note: it is important to give your Tiger Oscar varied diet so that he'she is healthy. I recommend a mix of frozen foods and fresh fish from the fihmongers. Oh and some pellets and food sticks aswell. 2) What other fish can I keep with my Tiger Oscar?. Tiger Oscars are very large, boisterous fish. They can also be very aggressive. They do not have teeth like the piranha, but they still eat (swallow) live fish. Basically, a Tiger Oscar with eat anything that it can fit in its mouth. With regards to keeping your Tiger Oscar with other fish, I recommend no other fish. Tiger Oscars can be territorial, and even attack or bully other fellow Tiger Oscars. However, you can if you really wish, keep Tiger Oscars with other large fish such as Silver Dollars and Tinfoil Barbs. Large Plecostomus are also good tankmates for your Tiger Oscar. The Tiger Oscar is NOT a community fish. So do NOT put a Tiger Oscar in a tank with tetras and small cichilids- it will eat them all. 3) Some basic Tiger Oscar facts. pH- 6.5 TO 7.5 temperture- 22-25 degrees scientific name- Astronotus Ocellius family- Cichilidae You get many different types of Oscars. A Tiger Oscar is just one kind of Oscar. You can also get Albino Oscars, Red Oscars, and Wild Oscars. 4) Breeding. One of the main advantages of the Tiger Oscar is that it is of the family Cichilidae. Cichilids are a species of tropical fish which look after and protect their young. Other species of fish like characins eat their young, but cichilids don't. SUMMARY. There are advantages and disadvantages to getting a Tiger Oscar. Advantages are that it can be relaxing to watch your Tiger Oscar swim about, it can be educational to learn ab
          out fish and a good hobby to have, breeding Tiger Oscars can be exciting (but be warned, they have 2000-3000 fry at a time), and they are like real pets and Tiger Oscars can live for 10 years+. However they can be expensive when having to buy food every week, time consuming because you have to carry out water changes etc, and if they become ill or die then you can be very upset (especially if you've had them for many years). Well that concludes this dooyoo opinion, and I hope you like reaing it!. If you do decide to get a Tiger Oscar then I wish you all the best and hope you get much enjoyment out of keeping him/her!. And remember to spend a lot of time with your Tiger Oscar if you do get one, or else he/she could get lonely!. Some people may say that a Tiger Oscar, which can grow to 12" is too big for a home aquarium, but I think it's not too big. As long as you look after him/her properly then 12" isn't too big at all, actually, it's perfect!. yours sincerely azazel

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            15.05.2001 20:37
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            Although I do love to see my oscar glide across his 4 foot tank, begging for food as though he recognises me, I do sometimes consider finding him a new home. They are undoubtably beautiful fish, but they grow so quickly and refuse to integrate with any other species other than large placid plecoptomous or the like, that he requires the whole of the large tank I have in my lounge. I feel bad for even considering it really as he is like an old family friend, but when I bought him at 1" long I was not properly informed af their growth rate! Oscars are certainly real characters, and friendly fish to their owners. However before purchasing one, consider the level of comittment you can offer. You will need as much space as possible as they are huge fish at maturity, and a specialist cichlid pellet diet which can be expensive. They are also almost impossible to sex (so I have been told), and apparantly the only real way to tell would be to introduce a pair, and they will either mate or fight to the death!!

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