Rare contagious cancer found in fish from Quebec and U.S. lakes

It's rare that cancerous tumours can spread from one individual to another. But a genetic study suggests that's what's happening with melanoma skin cancer tumours among catfish in Quebec and the northeastern U.S.

It's rare that cancerous tumours can spread from one individual to another. But a genetic study suggests that's what's happening with melanoma skin cancer tumours among catfish in Quebec and the northeastern U.S.

It's rare that cancerous tumours can spread from one individual to another. But a genetic study suggests that's what's happening with melanoma skin cancer tumours among catfish in Quebec and the northeastern U.S.