Source: Texas A&M AgriLife Extension Service
As a general rule, small ponds intensively managed for catfish are the most susceptible to die-off problems. Other common scenarios for summer die-off problems are ponds with large quantities of aquatic vegetation, heavily or frequently fed with commercial fish diets, stocked heavily and biomass now exceeds carrying capacity, or ponds that experience phytoplankton die-offs caused by reasons. How do you determine the cause of a fish dieoff? Here are the questions and the assessments to help a frantic pond owner.
By: Billy Higginbotham, Todd Sink