Comparative Heavy Metal Bioaccumulation and Human Health Risk Assessment of Farmed and River-caught Catfish in Rivers State, Nigeria

Key Points

• Heavy metal bioaccumulation in river-caught catfish was found to be higher than in farmed catfish, raising health risk concerns.
• The most significant finding was that river-caught catfish exhibited elevated levels of lead and cadmium, which can affect human health.
• Assessment included comparison of heavy metal levels across farmed and river-caught catfish species.
• The findings highlight the need for consumer awareness regarding potential health risks when sourcing catfish from rivers.