Human activities and drought are some of the factors that caused the Delta Smelt cause a water shortage.

Delta smelt are not being eaten. The dams California's making are sucking the fish into the grinding part of the dams and are grinding them into pieces.

Delta smelt are not being eaten. The dams California's making are sucking the fish into the grinding part of the dams and are grinding them into pieces.

Zooplankton and sometimes shrimp and other small fish

The scientific name for delta smelt is Hypomesus transpacificus. "Hypomesus" is from Greek words meaning "below the middle" (referring to the position of the fishes' pelvic fins) and "transpacificus" is from Latin words meaning "across the Pacific".