caption: The image shows a sea slug on the bottom of a coral reef, surrounded by a variety of aquatic plants. The sea slug is a dark grey color with a long, thin body and a pointed snout. Its eyes are large and round, and its mouth is slightly open, revealing sharp teeth. Its body is covered in small bumps and ridges, giving it a bumpy texture. The coral reef is teeming with life, with colorful fish and other marine life swimming around it.