The endangered Delta smelt population has made strides to recovery, nearly doubling in population over the past year, according to California Department of Fish and Game officials. That population increase, however, represents a small percentage of its historical population, according to a Wednesday DFG press release. Since counting the fish to find exact numbers would be nearly impossible, DFG collects smaller samples and counts the number of fish in the samples to get an indication of the ... SacramentoPressstaff