👉 Oligotrochids are a group of organisms that are characterized by their single cell size, which is typically less than 25 micrometers (μm), and their ability to form large aggregates or colonies. These organisms can be found in various environments, including aquatic habitats such as rivers, lakes, and oceans, where they play important roles in the food web. Oligotrochids are also known for their unique ability to utilize microorganisms for energy production, which is
