How to judge the quality of arowana
As a high-end ornamental fish, arowana is deeply loved by aquarium enthusiasts. However, how to judge the quality of Arowana is a science. This article will give you a detailed analysis of how to choose a high-quality Arowana from various aspects such as its size, scales, color, and swimming posture.
1. The body shape of arowana
The size of an arowana is one of the important criteria for judging its quality. A high-quality arowana has a well-proportioned body, a straight back, a full belly, and smooth overall lines. The following are the specific criteria for judging the size of arowana:
| Judgment project | Premium standards | poor performance |
|---|---|---|
| back line | Straight, no bends | Bent, hunched |
| Abdomen | Full, no dents | sunken, thin |
| overall proportions | Balanced head and body proportions | Head that is too big or too small |
2. Scales of arowana
The scales of the arowana are its most eye-catching part. High-quality arowana scales should have the following characteristics:
| Judgment project | Premium standards | poor performance |
|---|---|---|
| scale luster | Bright and reflective | dull, dull |
| scale arrangement | Neat and without missing parts | messy, missing |
| scale color | Bright and uniform | Fading, unevenness |
3. Color of Arowana
There are many kinds of colors of arowana, and different varieties of arowana have different color standards. The following are the color criteria for common arowana species:
| Arowana species | Premium color | inferior color |
|---|---|---|
| red arowana | Bright red, no variegation | Dark red, variegated |
| Arowana | Golden yellow, strong metallic feel | Light yellow, no metallic feel |
| Arowana | Turquoise, uniform | Gray green, uneven |
4. Swimming posture of arowana
The swimming posture of an arowana is an important indicator of its health. High-quality arowana swims gracefully and moves smoothly. The following are the specific criteria for judging the swimming posture of arowana:
| Judgment project | quality performance | poor performance |
|---|---|---|
| swimming speed | Moderate, stable | too fast or too slow |
| body balance | Keep level, no tilt | tilted, unstable |
| fin action | stretch, coordinate | stiff, uncoordinated |
5. Fins of Arowana
The fins of an arowana are an important part of its overall beauty. High-quality arowana fins should have the following characteristics:
| Judgment project | Premium standards | poor performance |
|---|---|---|
| dorsal fin | Towering and undamaged | Drooping and damaged |
| Caudal fin | wide, symmetrical | Narrow, asymmetrical |
| pectoral fin | Stretchy, no curling | curly, stiff |
6. Health status of arowana
In addition to appearance, the health condition of the arowana is also an important criterion for judging its quality. The following are the criteria for judging the health status of arowana:
| Judgment project | health performance | unhealthy behavior |
|---|---|---|
| Appetite | Exuberant, active eating | Lack of energy, refusal to eat |
| Breathe | Smooth, no rush | Urgent, difficult |
| body surface | No scars, no white spots | There are scars and white spots |
Summary
Judging the quality of an Arowana requires comprehensive consideration of many aspects, including body shape, scales, color, swimming posture, fins and health. High-quality arowana not only looks beautiful, but is also in good health. I hope that the introduction in this article can help you make a more informed choice when choosing arowana.
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