The feeding function is primarily about providing fish with proper nutrition. For example, if you want your fish to develop a vibrant red color, it largely depends on whether the fish has the genetic makeup to produce red pigments. Most commercial feeds contain a high amount of astaxanthin, which is a powerful carotenoid known for enhancing coloration. When fish consume shrimp or other naturally rich sources of astaxanthin, their bodies process and excrete excess amounts through their scales, leading to a more intense red hue over time.
However, this effect only works if the fish actually have the genetic potential to express those pigments. If your fish lack the necessary pigment genes—like in the case of red gold or orange varieties—then even the best astaxanthin-rich feed won’t make a difference. Fish scales can't absorb or convert other pigments; they must rely on their own genetic expression to show color changes. It's also important to note that not all feeds are created equal. Some use natural astaxanthin while others use synthetic versions, but claiming that a product is the most effective without evidence is misleading.
When it comes to food-based feeds, the key is that the fish must have the right genetic traits. The basic formula usually involves high-protein diets, which can be high in cholesterol. This type of feed often includes flavors like Mexican fish oil, which can help promote fat accumulation in the head area, making the fish look more "protruding" or full. However, these effects take time—usually at least 30 to 60 days. If a product claims results within just 3 to 7 days, it's likely fake. The body needs time to metabolize and show visible changes in appearance.
In reality, finding a Lohan fish with both a good head shape and vivid color is extremely rare—probably less than 1 in 1,000. Fish traders may promise "guaranteed color," but don't believe everything you hear. Many fish in stores look bright because of artificial colorants, not natural pigmentation.
To maintain healthy fish, there are several things you can do:
1. Use circulating water to keep the tank clean and remove waste quickly.
2. Feed the correct amount—too much leads to poor water quality, too little leaves the fish hungry. Usually, the fish’s mouth should appear slightly larger than normal after feeding.
3. Use coral sand as a filter. It’s rich in calcium and helps raise the pH level of the water, preventing it from deteriorating.
4. Increase the lighting. Proper light exposure enhances color vibrancy.
Every day, exposing your fish to appropriate lighting helps bring out their natural colors. As for the feed itself, we've already discussed it in detail, so I won’t repeat it here. In my opinion, the ideal Lohan fish should have a short mouth, a wide body, and clear, distinct coloration. Even if the head isn’t overly large, a short mouth and wide body will give the fish a well-balanced and attractive appearance.
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