👉 An actinodiscus is a type of algae that lives in aquatic environments, primarily found in lakes and rivers. It is characterized by its unique structure, which consists of a tube-like cell wall surrounded by a gelatinous matrix. This matrix helps to protect the cells from environmental stressors such as sunlight and salinity. The actinodiscus produces a complex protein called myo-inositol phosphatase, which plays a crucial role in the regulation of cellular energy metabolism.