Freshwater sponge (Spongilla sp.), coloured scanning electron micrograph (SEM). — Stock photos

"Freshwater sponge (Spongilla sp.), coloured scanning electron micrograph (SEM)." is an authentic stock image by ScienceRF. It’s available in the following resolutions: 1533 x 1600px, 2491 x 2600px, 4096 x 4276px. The minimum price for an image is 49$. Image in the highest quality is 4096 x 4276px, 300 dpi, and costs 449$.