The ornamental fish industry has experienced rapid growth across the country, creating numerous opportunities for people to earn income through aquarium shops. However, managing ornamental fish in such stores can be a complex task. This article provides a comprehensive guide on effective aquarium shop management for ornamental fish.
**New Fish Stocking**
1. When introducing new fish, avoid immediately placing them into the tank. Instead, float the sealed plastic bag in the tank for about 20 minutes to allow the water temperature to equalize. Once adjusted, open the bag and let the fish gradually move into the tank with the water.
2. It is best to keep similar species together in the same tank. If space is limited, different species can be housed together, but only if they have compatible water quality and temperature requirements. Also, consider their size and behavior to prevent aggressive interactions like large fish eating smaller ones or dominant fish bullying weaker ones.
3. Stocking density should be carefully managed based on the size and type of fish. Overcrowding can lead to stress and health issues, so it’s essential to maintain an appropriate balance.
4. Newly arrived tropical fish should not be fed for the first three days. Monitor their activity and behavior. Once they appear healthy and active, start feeding gradually, beginning with small amounts and increasing over time.
**Daily Management**
1. Choosing the right food is crucial. Tropical ornamental fish are omnivores, so a diet that includes both plant and animal matter is ideal. In addition to commercial fish food, you can also offer live or frozen foods like brine shrimp, daphnia, or even crushed insects. These options are more natural and can help reduce costs while keeping the fish healthy.
2. Follow the “Four Set†feeding method: feed at fixed times (e.g., 9–10 AM and 3–4 PM), at a specific location in the tank, with high-quality food, and in measured quantities. Feed enough so that all fish consume the food within 10–15 minutes to avoid waste.
3. Maintaining good water quality is essential. Regularly check the temperature, pH, and ammonia levels. Use an aerator if needed, especially in densely stocked tanks. Remove waste and uneaten food promptly to prevent pollution. Use a filter during the day to clean the water, and siphon the tank bottom to remove debris. After feeding, turn off the aerator for an hour to let the water settle.
4. Water changes should be done regularly, typically every 3–5 days, replacing 1/5 to 1/3 of the water. Pre-treat tap water by letting it sit in the sun for 2–3 days or using a chlorine neutralizer. Ensure the new water matches the original tank's temperature.
**Disease Prevention and Treatment**
1. Prevention is key. Maintain stable water conditions, avoid overfeeding, and keep the tank clean. Disinfect tools before use and avoid direct contact with the tank by customers. When selecting fish, ensure they are handled gently to reduce stress.
2. Monitor fish behavior and appearance daily. If any signs of illness appear, isolate affected fish immediately and treat them appropriately. Always follow medication instructions strictly to avoid misuse or overuse of drugs.
**Breeding Season Management**
Many tropical fish can be bred in aquarium shops with minimal effort. Breeding stock should be selected from healthy, mature individuals with vibrant colors and well-developed gonads. For egg-laying species like angelfish, provide suitable spawning surfaces such as flat stones or plants. After spawning, remove the adults to prevent them from eating the eggs.
For live-bearing species like guppies, separate the fry from the adults after birth. Juveniles require careful feeding with small, nutrient-rich foods like baby brine shrimp or powdered egg yolk. Avoid overfeeding, and remove excess food after 30 minutes. As they grow, introduce crushed commercial food. Regularly soak juveniles in a 3% salt solution to prevent disease.
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