Printed from: https://conservationhandbooks.com/waterways-wetlands/management-for-conservation-and-amenity/invertebrates/
The vast majority of animal life associated with waterways and wetlands is invertebrate, from the simplest protozoa and worms to molluscs, spiders and insects, and ranging from the rather unpleasant to the spectacularly beautiful. They form the complex and mainly hidden part of the food chain, a jungle of carnivorous, herbivorous and detritus- feeding organisms,...