.... In significante numbers not that I'm aware of, if they where I think the DNR would start to regulate fishing seasons to try to protect them dureing the spawn. Doesn't the DNR call cave run a "put take lake," don't get me wrong there has to be some eggs that get fertilized and left alone enough to hatch but my ? Is can and will the muskies down there start to evolve and start spawing differently to ensure there own survival(they don't no there's gonna be a bunch of there brothers and sisters dumped in at the launch). The mn dnr did a study on leech lake tracking seasonal movements and spawing behaviors and they discovered the muskies where spawning in areas that weren't the typical spawning areas, after more research they found out the muskies where stageing there spawn farther out from shore in deeper water, the dnr assumes they are evolveing and spawing differently because of the presence of pike and all the pike fry eating muskies eggs. I no there's no pike down there but I think after a big female dumps her eggs year after year with no succes she might start to try something different to ensure the survival of her species. Are we about to witness the evolution of a top end apex predator to ensure his or her own survival....I hope so just like to hear some other peoples thoughts on the subject.