Growing up on the western shores of MD I have to second CJB's comments on WP. I think WP are common forage for Stripers and bluefish as the three species normally run hand in hand. WP are rather spiny and from what I remember the poison hurts quite a bit. Given the choice between BG, GS and WP the bass is going to take the BG and GS almost everytime.

However given the right circumstances and food choices (ie. Potomac) the LMB will eat them. I've also read 70 grass carp per acre will take care of FA, but I don't think that's creating a balanced fishery or ecosystem.