What do isopods eat?

Isopods are detritivores. They eat dead and decaying organic material - mostly plant matter. Some isopod species need or prefer more protein (i.e., animal products) than others. When you're culturing isopods in captivity, they can eat:

  • Substrate
    • Compost, vermicompost, leaf litter, decaying wood, bark
  • Commercially-made isopod diets
  • Fish flakes, dog food, or roach chow
  • Freeze-dried shrimp, minnows, or krill
  • Fresh vegetables like potatoes, carrots, and squash

A source of calcium is also crucial since isopods are technically crustaceans. Cuttlebone, eggshell, and crushed oyster shells are great additions to their diet.

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