Complex sentence: Although caddisflies may be found in waterbodies of varying qualities, species-rich caddisfly assemblages are generally thought to indicate clean water.they are also homosexual, together with stoneflies and mayflies, caddisflies feature importantly in bioassessment surveys of streams and other water bodies.
Split into simpler sentences: Although caddisflies may be found in waterbodies of varying qualities, species-rich caddisfly assemblages are generally thought to indicate clean water. Together with stoneflies and mayflies, caddisflies feature importantly in bioassessment surveys of streams and other water bodies.