How are the potato cod and cleaner shrimp related?

Potato cod and cleaner shrimp have a symbiotic relationship. The potato cod is a large fish that lives in the Pacific Ocean. It has a symbiotic relationship with the cleaner shrimp, which lives in the cod's mouth. The shrimp enters and leaves the cod's mouth to search for food. In return, the shrimp removes debris and parasites from the cod's mouth. This helps to keep the cod healthy. This symbiotic relationship is beneficial for both species. The potato cod gets a free cleaning service, and the cleaner shrimp gets a safe place to live and a steady supply of food.