How to raise jellyfish at home
In recent years, jellyfish have gradually entered households as a unique pet. Their elegant swimming posture and translucent appearance have attracted many enthusiasts. However, keeping jellyfish requires a specific environment and careful care. This article will introduce in detail how to raise jellyfish at home, including equipment preparation, water quality management, feeding techniques, etc., to help novices get started easily.
1. Basic equipment for raising jellyfish

Raising jellyfish requires a set of professional equipment to ensure a stable living environment. Here is a list of necessary equipment:
| Device name | Function description | Things to note |
|---|---|---|
| jellyfish tank | Specially designed for jellyfish, the water flow is gentle to avoid damaging the jellyfish tentacles | Avoid using ordinary fish tanks, as strong water flow can cause jellyfish injuries |
| Filtration system | Keep water clean and remove harmful substances | The filter material needs to be cleaned regularly to avoid clogging. |
| temperature controller | Maintain water temperature between 18-25℃ | Water temperatures that are too high or too low can affect jellyfish health |
| LED light | Simulate natural light and enhance viewing pleasure | Avoid direct sunlight to avoid irritating jellyfish |
| Salinometer | Monitor seawater salinity and keep it at 30-35‰ | Excessive fluctuations in salinity can cause discomfort to jellyfish |
2. Water quality management
Jellyfish have extremely high requirements on water quality. The following are the key water quality parameters:
| parameter | ideal range | Adjustment method |
|---|---|---|
| water temperature | 18-25℃ | Use a heating rod or cooler |
| salinity | 30-35‰ | Add sea salt or fresh water to adjust |
| pH value | 8.0-8.4 | Use pH adjuster |
| Ammonia nitrogen content | 0ppm | Change water regularly and use biological filtration |
| Nitrate content | <10ppm | Reduce the amount of feeding and increase the frequency of water changes |
3. Feeding skills
Jellyfish mainly feed on plankton. The following are feeding recommendations:
| food type | Feeding frequency | Things to note |
|---|---|---|
| living plankton | 1-2 times a day | Ensure food is fresh and avoid contaminating water quality |
| frozen plankton | 1 time a day | Feed after thawing and avoid putting frozen blocks directly into them |
| artificial feed | 1 time a day | Choose feed designed specifically for jellyfish |
4. Common problems and solutions
You may encounter the following problems when raising jellyfish:
| question | Possible reasons | Solution |
|---|---|---|
| sinking jellyfish | Poor water quality or low salinity | Check water quality parameters and adjust salinity |
| Jellyfish shrinking | Malnutrition or inappropriate water temperature | Increase feeding amount and adjust water temperature |
| Jellyfish tentacles broken | The water flow is too strong or there are obstacles in the tank | Reduce water velocity and remove obstructions |
5. Things to note
1.Avoid mixed culture: Jellyfish should not be mixed with fish or other marine life to avoid being bitten or competing for food.
2.Change water regularly: Change 20%-30% of the water volume every week to keep the water clean.
3.Observe behavior: The health status of jellyfish can be judged by its swimming posture. If any abnormality is found, it should be dealt with in time.
4.Light control: Provides 8-10 hours of light per day, simulating the natural day and night cycle.
Conclusion
Although raising jellyfish requires a certain amount of patience and skills, with reasonable equipment configuration and meticulous care, you can create a beautiful jellyfish world at home. I hope this article can help you start your jellyfish breeding journey smoothly and enjoy the fun of this unique pet.
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