Fish biologists say as many as 100,000 trout, bass and catfish have died the past month in the Sparks Marina along Interstate 80.
Nevada Department of Wildlife spokesman Chris Healy says low oxygen levels killed about 3,000 fish in one corner of the 77-acre lake in mid-December but they thought the event was localized and of limited impact.
Since then, they've been unable to detect any live fish.
Biologists say a cold-snap could have stirred up oxygen-poor waters but they don't understand yet what caused the massive die-off.
(AP) - Nevada's demographer projects the state will have nearly 35,000 more residents in the year 2032 than it would have if it hadn't landed the Tesla Motors battery factory and another major business.
Smoke from the King Fire in El Dorado County has prompted health advisories from air districts in Nevada and California.
(AP) - Nevada lawmakers approve incentives to bring Tesla Motors' $5 billion battery factory to state. UPDATED: 9:42 p.m.
The Nevada Assembly has passed the first of four bills being considered to benefit Tesla Motor Company as it proposes to build a battery factory east of Reno.
The Nevada Legislature is in special session to consider a package of tax credits and incentives intended to entice Tesla motor company to build a $5 billion battery factory east of Reno. UPDATED: 11 p.m.