Why are the delta smelt good for the environment?

The delta smelt is an important indicator species for the San Francisco Bay-Delta ecosystem, as its health reflects the overall condition of this aquatic habitat. It plays a crucial role in the food web, serving as a food source for larger fish and birds. Additionally, the presence of delta smelt can signify the environmental quality, including water clarity and nutrient balance, which are vital for maintaining biodiversity in the region. Protecting the delta smelt helps ensure the integrity of the entire ecosystem, benefiting other species and the environment as a whole.