Definition: Amarsipidae is a family of small, aquatic invertebrates that belong to the order Annelida and are commonly found in freshwater environments. They primarily inhabit the coastal areas of tropical regions like India, Indonesia, Malaysia, Philippines, and Thailand, where they live in shallow water bodies such as rivers, lakes, and streams. These animals are known for their fascinating symbiotic relationships with aquatic plants, which allows them to feed on plant material without harming it directly. Amarsipida
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