👉 Scleralcyonacea is a type of algae found in freshwater ecosystems, typically associated with marine environments. These algae are characterized by their ability to produce large amounts of sulfuric acid, which they release into the water as a byproduct of photosynthesis. Scleralcyonacea can be found in a variety of aquatic habitats such as ponds, streams, and rivers, where it serves as an important source of nutrients for aquatic plants and animals.