![](http://www.alamy.com/thumbs/6/4F5DBB1B-7F05-4399-9A68-787FFA47CEFE/2M0F9RP.jpg)
Miller's thumb, bullhead (Cottus gobio), on river gravels, Germany
Size: 5315px × 3543px
Location: Deutschland
Photo credit: © blickwinkel/A. Hartl / Alamy / Afripics
License: Licensed
Model Released: No
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