One of the most common calls we get during late summer regarding pond management is about a pond full of dead fish, and the owner wants to know what happened. People are worried the water has been poisoned and is unsafe. The vast majority of time, the fish kill is a result of low dissolved oxygen levels in the pond.
This article originally appeared in the May 2017 Ag News and Views newsletter, revised 2023.
Aquatic vegetation is the proper name for the “moss” seen in ponds and other bodies of water. Unfortunately, many people do not view aquatic vegetation in a favorable light, with coontail (Ceratophyllum demersum) being a species that is often viewed negatively. In truth, coontail has both positive and negative attributes, and methods are available to control its growth.
