This tiny, almost microscopic member of the freshwater plankton is a scavenger living on dead plants and animals. If you watch it carefully with a hand lens or microscope you can see its shell opening and closing. You might even see its legs bringing its favorite meal of dead, decaying matter. Since many insects and fish find the seed shrimp a wonderful meal, it's a good thing there are so many of them. You might find hundreds in one teaspoon of water.
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