Morecambe 0-1 Shrewsbury
James Collins' winner kept up 10-man Shrewsbury's hopes of automatic promotion from League Two as Morecambe were beaten.
Kevin Ellison's strike needed to be smartly turned away by visiting keeper Chris Neal just before the break.
Collins and Nicky Wroe both had long-range shots saved by Barry Roche, before Collins fired in the winner from Ian Sharps' fine pass.
Jon Taylor was then sent off after appearing to headbutt Garry Hunter.