from The Guardian " For conservationists and ecologists like Durand, the delta smelt
are harbingers, their diminishing numbers a signal that the delta’s ecosystem is dangerously close to collapse. For California farmers with thousands of acres to irrigate and millions of dollars on the line, the smelt are in the way – the state
listed the species as endangered in 2009, and in effect constrained how much water can be pulled from the delta.
Now, the creatures caught in the crossfire of the state’s water wars
have all but disappeared, and biologists worry that newly empowered forces within the Trump administration could usher them into oblivion