diamond back snake mission reach

Diamondback water snake (Nerodia rhombife) feeds on a small perch caught along the Eagleland Reach of the San Antonio River last week. The snake is not venomous, but can inflict a painful bite, or so I'm told. Photo by Robert Rivard.

Diamondback water snake (Nerodia rhombife) feeds on a small perch caught along the Eagleland Reach of the San Antonio River last week. The snake is not venomous, but can inflict a painful bite, or so I’m told. Photo by Robert Rivard.

Diamondback water snake (Nerodia rhombife) feeds on a small perch caught along the Eagleland Reach of the San Antonio River last week. The snake is not venomous, but can inflict a painful bite, or so I’m told. Photo by Robert Rivard.