Fathead minnows could endure, fairly well, harsh problems. It can live in waters that could be uninhabitable to other fish. Waste water drainage sites are an example. Nevertheless, the contaminants in these scenarios might have an effect on the minnows. There can be decreased reproductive ability.
There have actually been different studies done with fathead minnows. Since they are hardy, as well as replicate in huge numbers, they are also relied on as trial fish in research studies to comprehend the impacts of chemicals on vertebrate pets. One was a research study the impacts of low pH. While they survived, they did act erratically. They would be hyper. They would additionally swim near to the surface area. And also, they experienced some irregularities through reproducing as their heads became smaller and they lost some of their brightness. The eggs were additionally much less likely to hatch. In one more occasion, when exposed to cattle barnyard waste, males were feminized and also girls defeminized.