Arowana Specs.
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-Silver Arowana- Size is 3 feet but possible to reach 4 but rare now a days, needs 180+ gallons to accomodate for the minimum requirements...will usually need more after a few years
-Black Arowana- Size is 3 feet but is just the same as the Silver Arowana but is a little more harder to keep care of.Good with other arowanas but be cautious with having 2 arowanas together as they may conflict for the top level area of the tank.
-Jardini Arowana- Will get to 2-3 foot in lenght, looks just like the asian arowanas but has a huge difference in them, They are titled the most aggressive arowana of them all, a 180 gallon can be its permanent home but usually best in a 240 gallon but a wider tank is better for this kind of arowana since its not as very flexible as the silver and black arowana.Good with other arowanas.
-Leichardti Arowana- 2-3 feet lenght in size and is just as aggressive as the jardini arowana as from what many says but may not be true but lets just let it be with the jardini arowana aggression level, 180 gallon-240 gallon best minimum.Best kept singly.
-Asian Arowana- There are many kinds of Asian Arowanas that are found through out this section of the forum where all the info you want can be found through out the pages of this section. Most Expensive and Valuable is the Red Arowana/Chilli Red Arowana, SuperRed Arowana/Red King? Arowana...the next group is the Golden Xback Arowanas,and so on and the low grade or less expensive and less valuable is the Green Arowana, size is 3 feet in lenght, can be kept with any other kinds of arowana in this species except the jardini or any other australian arowana.
The one main thing is they need large tanks and are best left for more experienced...but one other main thing is to never keep an arowana with a tankmate that can eat it or fit in its mouth.
Another arowana that is given the name as an arowana but does not resemble any of the arowanas is the...
-African Arowana- This gets to 3 feet in lenght but is a filter feeder so brine shrimp, bloodworms,finely chopped raw shrimp, chopped earthworms...is edible for it to feed
and lastly the one fish that resembles the African Arowana the most is the Giant Fish of the Amazon (King of the Amazon River)
-Arapaima Gigas- This is not recommended for anyone without a tank or a pond of thousands of gallons of water like about 10,000 gallons+ they best are kept in a square or circle tank or pond confinment, they reach a massive 12-14 feet in lenght in the wild or in captivity, weighs about a couple hundred pounds when bigger.