Yes. Fish and aquatic invertebrates share many of the same biological characteristics as insects making them susceptible to insecticides. Talstar P's product label has these precautions: "This pesticide is extremely toxic to fish and aquatic invertebrates. Do not apply directly to water, to areas where surface water is present or to intertidal areas below the mean high water mark. Drift and run-off from treated areas may be hazardous to aquatic organisms in neighboring areas. Do not contaminate water when disposing of equipment washwaters. Care should be used when spraying to avoid fish and reptile pets in/around ornamental ponds"
Answer last updated on: 03/19/2010