Glossiphonia weberi is a diminutive leech. Its body is adorned with five rows of dark brown spots longitudinally, and its coloration spans from greyish-white to light orange. On its dorsal surface, seven rows of distinct papillae are noticeable. It possesses three pairs of eyes. Notably, between the 27th and 28th rings, both the male and female genital ducts open through a single pore. The mouth is situated within the anterior sucker. Additionally, it features six pairs of sublobate lateral caeca.