What kind of fish should be kept in a narrow fish tank?

What kind of fish should be kept in a narrow fish tank: hot topics and featured recommendations

Recently, the discussion about which fish species are suitable for small fish tanks has become a hot topic among aquarium enthusiasts. With limited living space in cities, the demand for breeding narrow fish tanks (width 20-30 cm) has increased significantly. This article will combine the popular discussions on the Internet in the past 10 days to recommend fish suitable for keeping in narrow tanks and provide structured data comparison.

1. Three core requirements for fish farming in narrow tanks

1.Small size: The adult length does not exceed 5 cm to avoid space compression.
2.low oxygen consumption: The water in narrow tanks has limited dissolved oxygen, so low-oxygen-tolerant varieties need to be selected.
3.Gentle personality: Avoid aggressive fish and reduce the risk of fights.

2. Recommendations for popular narrow tank fish (data comparison)

3. Things to note when raising fish in narrow tanks

1.control density: It is recommended to keep 1 fish per 5 liters of water (for example, a maximum of 6 fish in a 30 cm narrow tank).
2.Filtration system: Choose a silent wall-mounted filter to avoid excessive water flow.
3.Landscaping skills: Use vertical decoration (such as sunken wood, aquatic plants walls) to enhance the sense of space.

4. Recent hot topics of discussion

According to social platform data, the following topics have been mentioned frequently in the past 10 days:
-“Can I keep betta fish in a narrow tank?”: It is recommended to keep one alone, and it needs to be covered to prevent jumping.
-"Minimum polyculture combination": Guppies + Sakura Shrimp + Snails are the most popular.
-"Algae explosion problem in narrow tanks": Reduce light time and clean with black shell shrimp.

5. Summary

Narrow fish tanks can also create a vibrant underwater world through proper fish selection and scientific management. By giving priority to the recommended varieties in the table and strictly abiding by the stocking density, you can take into account both aesthetics and ecological balance. The recently discussed polyculture solutions and algae control techniques are also worth trying.

(The full text is about 850 words in total, data as of October 2023)