I would stay away from pike in a pond under 5 acres. Just not enough biomass to support a high end predator like that. Esshup hit the other species dead on. With the rocky habitat you have placed at your pond, I can see SMB doing well in it. If you are indifferent as to whether you want SMB or LMB, I could go with the SMB as they are easier to manage. Finding an initial source for the SMB may be a little tricky, but IMO would be worth it. I think managing SMB is usually easier. They don't wipe out forage bases as quickly as LMB do and the stocking of other species is easier as they are less apt to eat them. Such as HSB, WE or trout. Unless you have a pretty steady spring running into your pond, I doubt trout would survive in it year round. Even being up in northwest PA, you're still gonna struggle. However, you'll have a very long window that trout will survive in your pond. Have you decided if you are going to aerate and feed your fish? Both factors weigh heavily on stocking numbers and other advice given... Fill in those details and we can work on a time line and stocking numbers for your pond and your goals for it.