A small tag is visible on a Delta smelt, left, at a UC Davis lab in Byron. The tiny fish thrived in the Delta for about 10,000 years, but the population has crashed in the past several decades. The fish has been hit by dams, changes in salinity, dredging, invasive species and drought.<252>
A small tag is visible on a Delta smelt, left, at a UC Davis lab in Byron. The tiny fish thrived in the Delta for about 10,000 years, but the population has crashed in the past several decades. The fish has been hit by dams, changes in salinity, dredging, invasive species and drought.<252> Randy Pench rpench@sacbee.com
A small tag is visible on a Delta smelt, left, at a UC Davis lab in Byron. The tiny fish thrived in the Delta for about 10,000 years, but the population has crashed in the past several decades. The fish has been hit by dams, changes in salinity, dredging, invasive species and drought.<252> Randy Pench rpench@sacbee.com