Types of Asian Arowana Red-Tail Golden Arowanas/ Crossback Golden Arowanas/ Red Arowanas/ Green Arowanas
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Asian Arowanas Asian Arowanas are found in South East Asia region. They can grow up to 36" in wild but usuall grow only to 24" in captivity. It is an endangered species and hence illegal to import or even own one in some countries. Fortunately captive breed F2 Asian Arowanas are now available and importation of captive breed arowanas is now permitted in some countries.
Red-Tail Golden Arowanas
This is found in Pekanbaru of Indonesia. The scales are copper-gold in color with some purplish shine. The back of the fish are dark in color, ranging grey, brown to black. The tail color have 1/3 to 2/3 divisions, the top 1/3 are dark in color and the bottom 2/3 have purplish-red to brownish-red color. The dorsal(back) fin and the anac(near the anus) fin color follow the 1/3 and 2/3 of the tail color respectively.
Crossback Golden Arowanas
This is found in Malaysia and sometime called Malayan Bonytongue. It has golden scales to the fourth column and pinkish abdomen when young. When the fish grow up, the golden scales willl escalate to the fifth column(hence cross-back) and the pink abodomen disappear. The scales may have different basecolor such as gold, silver or blue. Blue being the rarest. The scales can also divided into thin or thick golden frame. Thin frame scales bluebase crossback gold are one of the most demanded arowana and hence often the most expensive.
Red Arowanas
Red Arowana is found in Kalimantan and Sumatra of Indonesia. They can be divided into 1st grade red and 2nd grade red. 1st grade red can have different intensity of color ranging from yellow to orange to red to blood-red and chilli-red. The higher intensity red is more desirable and often demand very high price. It is often difficult to diffferentiate 1st grade red from 2nd grade red when the fish is young. Young 1st grade red's tail and anac fin have intense red color and their scales are shiny gold in color with some green at the base. Young 2nd grade red has orange fins and the scales color are no obvious and often whitish silver. When the fish grows, in 1st grade red, the color of the fins remains red, their scales and the gill cover will develop its color. Ther type of color it will developed into depends on which type of 1st grade red you have. On the other hand, the adult 2nd grade red will only have pinkish or orange colored fins, thier scales and gill color will only developed pink or orange color.
Green Arowanas
Green Arowana is found in Malaysia, Indonesia and Thailand. The scales are not bright and often tranlucent with some grey or green color. The color is even throughtout the body(ie no dark-top). The tail can be grey, purplish-grey or green in color. This fish is generally shorter then its Asian relatives.This is the most affordable asian arowana.
Others The examples of arowanas given above are only some of the more well known arowanas. With crossbreeding, many new strains of arowanas are developed(eg. Redtail blue scales arowanas). The development of new strains are still in early stages and therefore the fish are not readily available yet. Maybe the will be in future.