Golden Arowana 金龙

1. Super Grade Electric Blue Cross Back Gold Arowana 特级靛蓝过背金龙

Super Grade Electric Blue Cross Back Gold Arowana has a deep and prominent blue shine on the core of its scales with a gold rm on the outer edge of its scales. Generally it has a thinner rim of gold as compared to gold based Arowana. For some older fishes, the gold frames might extend into the blue core hence appearing more golden in color. Super Grade Electric Blue Cross Back Golden Arowana will have a blue appearance when view from far. The Arowana will appear gold in color and then suddenly reflect blue when it makes a turn. An Arowana with thin gold rims and intense blue core are highly sought after by hobbyist.
特级靛蓝过背金龙鳞片核心闪耀着突出的深蓝色，外部边缘环绕着金色。与底色为金色的龙鱼相比，其鳞片通常为细框。一些年龄较大的，其金色鳞框可能延伸到蓝色核心部分，因此看上去更加金光灿灿。特级靛蓝过背金龙呈现金色，转身时突然反射出蓝色。这种带有炫蓝核心、金色细框鳞片的龙鱼备受龙鱼爱好者追捧。

2. Premium High Gold Cross Back Arowana 金底过背金龙

Cross Back Arowana is a natural colorant variant that is originated from the Bukit Merah Lake in Perak, Malaysia.  The Cross Back Arowana is the most beautiful golden color variants of the Asian Arowana.  And in the lake, different populations in the smaller tributaries have its own subtle difference compared to other populations. Like all Cross Back Arowana the gold rims on the scales reach only the 4 ^th rows of scales when young but will spread towards the back until it reach the 6 ^th level upon maturity.  Thus, its name “Cross Back” means “Golden coloration crossing over the back”. The Full Gold Arowana has gold based core and a gold rim on the outer edge.  Good specimen will appear as a solid piece of gold when is fully matured. Traits of a Full Gold Arowana are lighter color fins and eyes as compared to the other varieties of Cross Back Arowana.  All Cross Back Gold Arowana are graded according to how fast the gold rims of the scales reach the 6 ^th rows scales.
过背金龙原产于马来西亚霹雳州的布奇美拉湖，是一种天然着色剂变种，是亚洲龙鱼中最漂亮的金色变种。该湖中细小支流带来的不同种群之间均有微妙的差异。像所有过背龙鱼一样，幼鱼的金边亮鳞仅达到第四排，成鱼的金色亮鳞则延伸过背，达到6排。因此，名字中“过背”指的就是“金色越过背部”。满金龙鱼鳞片为金底金边。完全长成后，优质鱼样看起来像固体金块。与其他过背龙鱼相比，满金龙鱼的眼睛和鱼鳍颜色较浅。可以按照过背金龙金边亮鳞达到第六排的速度为其进行定级。

3. Red Tail Gold Arowana 红尾金龙

The Red Tail Gold Arowana is a natural color strain that originated from the Pekanbaru river system in Sumatra.  It has scale base color ranging from blue, green or gold with a gold rim on the outer edge of each scale.  The gold rims on the scales reaches only up to its 4 ^th row of scales.  The 6 ^th row of scales which is at the back when viewing from the top is usually dark color with no glittering.
红尾金龙属于自然色品系，原产于苏门答腊岛的北干巴鲁河系。鳞片底色为蓝色、绿色或金色，鱼鳞边缘环绕金色。金边鳞片仅达到鱼鳞第四排。从上面看下去，背部第六排鳞片呈深色，不闪光。

4. High Back Golden Arowana 高背金龙

High Back Arowana is similar to Red Tail Gold Arowana except that it has the gold rims at 5 ^th level which is enough to render it, a higher grade than Red Tail Gold. The 6 ^th row of scales which is at the back when viewing from the top is usually dark color with no glittering.
高背金龙与红尾金龙相似，比红尾金龙级别高，金边鳞片达到第五层。从上面看下去，背部第六排鳞片呈深色，不闪光。