Luke Lyon makes notes on fish pulled out of the Anacostia. Joining him (from left) are Christophe Tulou, Donna Henry, Danny Ryan and Nicoline Shulterbrandt. (Barbara L. Salisbury/The Washington Times)

Luke Lyon makes notes on fish pulled out of the Anacostia. Joining him (from left) are Christophe Tulou, Donna Henry, Danny Ryan and Nicoline Shulterbrandt. (Barbara L. Salisbury/The Washington Times)