Gizzard Shad Dorosoma cepedianum

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Description: English: In spring, gizzard shad (Dorosoma cepedianum) may head upstream from their Potomac River home to spawn in Rock Creek and other tributaries.Photographer: Flickr user Brian Gratwicke Original url: http://www.dcnature.com/photos/index.cfm?catID=4. Shared under Creative Commons BY. Date: 21 April 2006, 10:32:39. Source: Flickr: NatureServe. Author: NatureServe, photographer Brian Gratwicke.