The Half Spotted Watermelon Pleco L330, also known as the Pseudo L-number 330, is a freshwater fish species native to Brazil. It is a small, peaceful, and attractive aquarium fish that typically grows up to 4 inches in length. Its body is black with white or yellow spots, resembling a watermelon. The Half Spotted Watermelon Pleco L330 is known for its ability to clean algae from aquarium glass and decorations, making it a popular choice among hobbyists.