We are North America’s leading provider of freshwater, estuarine, and marine taxonomy services. Using biological communities such as fish, benthic invertebrates, periphyton, zooplankton, phytoplankton and ichthyoplankton, our taxonomy laboratory helps a wide variety clients to understand the biological condition of surface water systems. With a highly skilled team of taxonomists and laboratory technicians, we process over 10,000 taxonomy samples per year.

Ecological Specialists, Inc.

Believes that in-stream development and environmental protection can be cooperatively balanced, allowing economic growth without adverse effects on the environment. ESI does more than just collect data. We consider our client’s project-specific objectives, design, and operation, as well as regulatory agency policies and ecosystem needs to develop practical solutions and mitigation options.