How to Keep Sand Fleas Alive?

How to Keep Sand Fleas Alive

Sand fleas are small, water-dwelling crustaceans that play an important role in the ocean’s food web. They are essential to the life cycle of many species of fish, birds, and other marine creatures. Keeping sand fleas alive requires specific environmental conditions and proper care.

Steps to Care for Sand Fleas

1. Prepare an Ideal Habitat

The ideal habitat for a sand flea is a tank with a sandy bottom, rocks and shallow water. The tank should be at least 20 gallons in size, have filtration, and should be kept at a temperature between 72 and 80 degrees Fahrenheit. It should be equipped with a lid to prevent the fleas from escaping.

2. Add Nutrients

In addition to filtration, sand fleas need a supply of nutrients to stay healthy. They will consume both organic matter, such as small algae and worm eggs, and inorganic matter, such as fish food and particulate matter.

3. Provide a Clean Tank

Keep the sand flea tank clean by changing 25 percent of the water every two weeks. This helps keep the water oxygenated and reduces the risk of disease.

4. Feed the Sand Fleas

Feed the sand fleas with a Variety of foods like small shrimp, Daphnia, brine shrimp and other small invertebrates once or twice a day. Avoid overfeeding, as too much food can lead to water pollution.

Tips for Caring for Sand Fleas

  • Handle them carefully – Sand fleas can be delicate and easily damaged, so handle them gently.
  • Keep the tank covered – to prevent the sand fleas from escaping.
  • Add supplements – adding vitamin and mineral supplements to the water can help provide the sand fleas with additional nutrition.
  • Change the water regularly – Water changes help keep the tank clean, so do them at least every two weeks.


Caring for sand fleas is a simple process, but it is important to create the right environment for these tiny crustaceans to thrive. By carefully monitoring water quality, providing the right diet, and changing the water regularly, it’s easy to keep sand fleas alive and healthy.

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