They used to be plentiful, but I haven't seen one in 2+ years. I'm sure they're still around, just not as plentiful. But we used to catch them from 3-mile bridge back in the day, mostly on out going tides almost at low tide.
Yes years back use to fish the lights around 3MB to stock up on king baits, or hit up shrimpers for a few. 20-25 years ago would get them in the bait castnet trying to get pogies in Terry Bayou in Orange beach