Fish Die-Offs in Ponds and Lakes | What killed the fish?

Fish die-offs can be frustrating and seemingly unexplained. However, die-offs often occur due to a variety of natural or manmade causes and with careful examination of the situation and a little sleuthing, the cause of a fish die-off can normally be determined. Below are resources that will assist in determining the cause of and understanding a fish die-off.

Need assistance with wildlife and fish management on your ranch, backyard, or pond? Simply call your local County Extension Agent.

*Texas A&M AgriLife Extension Service*	My Fish Are Dying!
*Southern Regional Aquaculture Center*	SRAC Publication No. 0472 – Submitting a Sample for Fish Kill Investigation SRAC Publication No. 0474 – The Role of Stress in Fish Disease
*Purdue University*	What Killed the Fish?
*Virginia Cooperative Extension*	Fish Kills – Their Causes and Prevention
*University of Florida*	Understanding Fish Kills in Florida Freshwater Systems Response to a Suspected Toxin-Induced Fish Kill