How Often Should You Feed Isopods

Isopods mainly eat leaf litter and decomposing organic material, but supplemental feeding can support colony growth. Learn how often to feed isopods.


By Lee Brookes
2 min read


How Often Should You Feed Isopods

Isopods are detritivores that naturally feed on decomposing organic material such as leaf litter, wood, and plant matter. In captivity, most of their diet should come from these natural materials within the substrate.

However, supplemental feeding can help support colony growth and provide additional nutrients.

The Natural Diet of Isopods

In nature, isopods spend most of their time feeding on decomposing plant material found on the forest floor.

This includes leaf litter, rotting wood, and organic debris. These materials break down slowly and provide a constant food source.

Maintaining a layer of leaf litter within the enclosure helps replicate this natural feeding environment.

Supplemental Feeding

While leaf litter should always be available, many keepers also provide supplemental foods such as vegetables, protein sources, or fish food.

These foods provide additional nutrients that can support faster colony growth and reproduction.

Typical Feeding Frequency

For most colonies, supplemental foods can be offered once or twice per week.

Small colonies usually require very little additional food, while larger colonies may consume food more quickly.

Feeding Based on Colony Size

The amount of food needed depends heavily on the size of the colony.

  • Small colonies may only require occasional supplemental feeding.
  • Medium colonies can benefit from weekly feeding.
  • Large colonies may consume supplemental foods several times per week.

Observing how quickly food is consumed can help determine an appropriate feeding schedule.

Avoid Overfeeding

Adding too much fresh food can cause mold growth inside the enclosure. Excess food should be removed if it remains uneaten for long periods.

Our guide on how to feed isopods without causing mold explains how to avoid this common problem.

Providing Protein

Protein can be an important part of the isopod diet, especially for growing colonies. Small amounts of fish food, dried insects, or other protein sources are commonly used.

Our article on do isopods need protein explains how protein supports colony development.

Observe Your Colony

Every colony is slightly different, so observing feeding behaviour is important. If food disappears quickly, the colony may benefit from more frequent feeding. If food remains uneaten, feeding amounts may need to be reduced.

Final Thoughts

Isopods primarily feed on decomposing organic materials within their enclosure. Supplemental feeding can support colony growth, but it should be provided in moderation to avoid mold and waste buildup.

By maintaining natural food sources and offering occasional supplemental foods, keepers can support healthy and active colonies.

Learn More About Feeding Isopods


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