A Texas town is dealing with a mass of dead fish in Texas earlier this week after hot temperatures dropped oxygen levels in Lake Grapevine, killing some 124,000 Threadfin Shad. The carcasses ended up at the southeast end of the lake according state fisheries biologist Tom Hungerford. High temperatures lower the oxygen-carrying capacity of water, and on Tuesday the thermometer measured 103 degrees, dropping oxygen levels in the lake to 1.2 parts per million, below the life-sustaining threshold of 3 parts per million. Texas is experiencing one of the worst droughts in state history, and water levels in the lake were already three feet below average. By midweek, birds and turtle had begun to scavenge the fish carcasses.
Read more at Grapevine Courier
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