👉 Lichened, also known as "giant caddisflies," are a group of aquatic insects that have developed specialized structures on their bodies to protect them from harmful light and water. These structures are called lichens or mosses and can be found in many types of environments, including freshwater and saltwater. Lichens typically grow in moist soil, such as near the bottom of a pond or river. They produce calcium carbonate shells that protect them from direct sunlight and water. The
