Australian Crayfish Plague: Eat or Block?

Known and confirmed

• Redclaw crayfish from Australia are invading the Zambezi River, decimating native fish populations.
• The species is highly adaptable and nearly impossible to eradicate once established in major river systems.
• Communities in Southern Africa are harvesting them for food to suppress their numbers.

Unknown or unverified

• 长期大量食用是否会导致新的生态依赖或市场波动。
• 物理屏障在大型自然河流系统中的实际可行性和成本效益。
• 其他地区的生物控制措施（如引入天敌）可能带来的次生风险。