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The highly modified rivers and streams that make up drainage networks are often thought to be of little ecological value. This is due to their “unappealing” appearance, the intensively developed state of the landscapes they flow through, and the fact that they’re often considered to be infrastructure, rather than natural water courses. However, these waterways—commonly referred to as drains—are important aquatic habitats for native fish and invertebrates (insects, worms, crustaceans, etc).