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Osteoglossum bicirrhosum
Silver Arowana

 Age of Aquariums > Freshwater Fish > Silver Arowana - Osteoglossum bicirrhosum

Photos & Comments

Osteoglossum_bicirrhosum_5.jpg (31kb)
Photo Credit: Zeco Carvalho

Name: Osteoglossum bicirrhosum
Size TankpHTemp
Origin: Amazon Basin
100 cm 1000 L 6.7 25°C


Silver Arowanas are the cheapest arrowanas you can find in tropical fish stores, $10-15 for a 10 cm - 20 cm arowana. These bony tongued fish can really jump so please have a lid, I lost 2 arowanas like this. They will eat anything that fits in their mouth (guppies, goldfish, other live foods).

Contributed by Jamal Jones

Pictures do not give this fish justice. Every hobbyist should watch this fish swim. It is a mercury dance of fluid movement rolling from side to side. Like a cross between an eel and a baracuda. This is a great fish to own (if you have something that can house a 90 cm fish).

Contributed by Ethan

Arrowanas are beautiful, elegant, wonderful fish, but unless you have several hundred gallons to house them in, you'll soon be faced with the prospect of a fish far too confined in the little glass box of water. They don't "grow to their environment", as some salespeople may tell you: they are big fish, an deserve to be kept in a tank large enough to house them comfortably throughout their lives. Also, if you see some babies for sale with egg sacks protruding from their mouths DON'T BUY THEM. Juveniles that young are never out of the father's mouth, so to be captured, the collector had to kill the male to get the babies. Refuse to support stores who purchase fish collected at such a waste.

Contributed by Bud

I currently have four silver arrowana. I have noticed for awhile that at night or during the day, they tend to jump a bit if it is dark. When I leave the light on continuously, they tend not to jump at all. For the past year, they haven't jumped any. They like to swim in schools and they are less aggressive when they reach maturity. I feed them raw meat as well instead of live food to also make them more tamed. They tend not to like dried food. I give them mostly chicken and pork. Sometimes I give them beef but not to much because of the cholestrol. Sometimes I give them shrimp but only occasionally because the store bought shrimp is usually treated with some salt. It is no problem if you can get them fresh and not from a store. If you want them to eat raw meat, you must start them off when you get them. You may have to starve them for a while before they will get use to not eating live food. If you have a deep tank, then don't fill the tank to full. I leave a few inches off of my tank so that when they jump, they can't reach the top. It's better to get an arrowana that is a little older say about 6" to 7" long. You will find it is a lot easier to keep. It will be a more expense though.

Contributed by Aquaman

I've had numerous silver arowanas, all quite majestic. And as everyone already knows, grows quite large, very fast. This fish, also known as the "monkey fish", or the "river monkey", is very adept to jumping, and will jump out of a tank at every chance given it, especially at feeding time when his lid is opened. Mine got to the point where he knew when I walked to the tank, that in fact it was feeding time, and acted accordingly. I don't recommend feeding any live fishes, just from a contamination standpoint, i.e., diseases. Feed any insects, including spiders, crickets, mealworms, beetles, and the what not found in your local yard, but not stinging insects, mind you. I don't recommend feeding earthworms of any kind, earth ingested by these worms may or may not contain undesireable contaminants not suitable for the fish itself. You may get away with it one time, or 15 times, but not the next, I'd not chance it with your prized fish. I have a 470 L tank, and this fish just may out grow it! Remember, don't put any sharp objects in the tank, such as jagged rocks, or sharp sticks in the tank, these fish get "spooked" very easily and will jump and swim into these causing injury, which in turn the possibilty of disease at the injured site. One of my arowanas broke his mouth on a rock when I startled him and wasn't able to eat, which led to his demise. Good luck, this fish will bring years of enjoyment...and tape the lid down!

Contributed by Tim Netzley

I own one silver Arowana, although I was recommended to take either the Red or the Gold one. But nothing is as unique as the shape of the Silver Arowana and its elegance at that. The way it swims, the way it eats, or even the way it attracts everyone´s attention. It doesn´t deserve a lower heirarchy compared to the other types of Arowana.

Contributed by Mizal

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