SAR 2017 Native Fish Population and Habitat Study, Santa Ana River, California

This dataset includes: 1) microhabitat use data for fish 100 mm and larger; 2) reach fish data; and 3) reach habitat data for the Santa Ana Sucker (Catostomus santaanae) and the Arroyo Chub (Gila orcutti) in the Santa Ana River, California. Habitat availability data was not collected in 2017.