👉 Dinoflagellates are a class of unicellular eukaryotic organisms that have a unique cell structure and are characterized by their ability to form a complex, multilayered cell wall. Dinoflagellates are also known as dinoflagellates or dinoflagellate cells because they resemble the flagella of fish, which is why they are sometimes referred to as "fish-like" organisms. Dinoflagellates are found in various marine and freshwater