The image captures Melosira diatoms, which form chains of cylindrical cells connected valve to valve. These diatoms play a crucial role as part of the phytoplankton community in both cold ocean and freshwater environments.The micrograph was obtained using the Differential Interference Contrast (DIC) microscopic contrast method, which enhances the visibility of these diatoms and their structural characteristics. When printed at a width of 10 centimeters, the image provides a magnification of approximately 680 times, enabling viewers to appreciate the intricate details of the Melosira diatoms.