Public domain photos

The image shows a close up of a sea slug on a ruler, with a scale at the bottom. The sea slug is a light brown color with a bumpy texture, and its body is covered in small bumps and ridges. Its eyes are large and round, and it has a long, thin snout.

The image shows a close up of a sea slug on a ruler, with a scale at the bottom. The sea slug is a light brown color with a bumpy texture, and its body is covered in small bumps and ridges. Its eyes are large and round, and it has a long, thin snout.Open in library