What should you pay attention to when raising fish?
Fish farming is a fun and challenging hobby. Whether you are a beginner or an experienced hobbyist, you need to master some basic fish farming knowledge. The following is a summary of the hot topics and content on the Internet in the past 10 days, combined with the key precautions for fish farming, to help you take better care of your fish.
1. Water quality management

Water quality is the core of fish farming. Poor water quality can cause fish to become sick or even die. The following are key points for water quality management:
| water quality parameters | ideal range | Things to note |
|---|---|---|
| pH value | 6.5-7.5 (freshwater fish) | Regular testing to avoid drastic fluctuations |
| Ammonia content | 0ppm | Ammonia is toxic to fish, so filtration needs to be strengthened |
| nitrite | 0ppm | Nitrifying bacteria help break down |
| Nitrate | <20ppm | Regular water change control |
| water temperature | Adjust according to fish species | Tropical fish need heating rod |
2. Fish tank selection and layout
The size and layout of the fish tank directly affects the living environment of the fish:
| Fish tank type | Applicable fish species | Things to note |
|---|---|---|
| small fish tank | Small fish (such as guppies) | Suitable for novices, but requires frequent maintenance |
| medium fish tank | Medium-sized fish (such as goldfish) | Better stability |
| Large fish tank | Large fish (such as arowana) | Requires powerful filtration system |
Key points for fish tank layout:
3. Feeding management
Improper feeding can lead to poor water quality and fish health problems:
| food type | Applicable fish species | Feeding frequency |
|---|---|---|
| pellet feed | most fish species | 1-2 times/day |
| Live bait (such as bloodworms) | carnivorous fish | 2-3 times/week |
| vegetables (such as spinach) | herbivorous fish | 1 time/day |
4. Common diseases and their prevention and treatment
When fish get sick, they need to be treated promptly. The following are common diseases and how to deal with them:
| Disease name | Symptoms | Treatment |
|---|---|---|
| white spot disease | White spots appear on fish body | Raise temperature to 30°C and add salt |
| fin rot | Fin rot | Change water and use antibiotics |
| saprolegnia | The fish has white hair | Isolation and treatment with antifungal drugs |
5. Other matters needing attention
Fish farming is an activity that requires patience and care. By mastering the above points, you will be able to provide a healthy and comfortable living environment for your fish. I hope this article helps you enjoy fish farming even more!
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