Do eels have parasites?
Dec 03, 2025
Source: Cainiu Health
Dr. Huang Yuhong
Introduction
In general, whether eels carry parasites depends on their source and method of processing. Wild eels are more likely to carry parasites, whereas farmed eels purchased from正规 channels have a low risk of parasites when properly processed. For daily consumption, it is advisable to choose farmed eels from reputable supermarkets and avoid purchasing wild eels of unknown origin.
Generally speaking, whether eels contain parasites depends on their source and method of processing. Wild eels are more likely to carry parasites, while farmed eels purchased through正规 channels and properly processed have a low risk of parasitic contamination. The detailed analysis is as follows:
Wild eels live in complex aquatic environments where parasite eggs can easily enter their bodies through ingestion or the skin. Common parasites include *Gnathostoma* (gnathostomes) and acanthocephalans. These parasites may hide in the muscles or internal organs of eels; consuming them without thorough processing can lead to health issues such as abdominal pain and diarrhea.
Farmed eels have a much lower infection rate compared to wild ones due to controlled growing conditions and standardized feed. Nevertheless, proper handling before consumption is still essential: remove the internal organs and gills, rinse thoroughly with clean water, and ensure the core temperature reaches above 70°C during cooking. Cooking methods such as steaming or braising until fully cooked can effectively kill any potential parasites.
When consuming eels regularly, it's advisable to choose farmed products from reputable supermarkets and avoid purchasing wild eels of unknown origin. After handling raw eels, promptly wash hands and kitchen utensils to prevent cross-contamination. By adhering to the principle of thorough cooking, you can safely enjoy the nutritional benefits of eel.
