What? when did hydralisks cut through starship armour? And since when can zerglings cut through tanks and survive gauss rifle fire? I beginning to wonder where you are hearing about all these super sc units. Ive never seen any instance of zerglings surviving gauss rifle fire, ever. Nor have I ever witnessed hydralisks cutting through starships with their spines. Using gameplay as feats is a poor way to rate characters. The only reason hydralisks can do ANYTHING to a battlecruiser is because blizzard is all about balance in gameplay and not necessarily realism. Your going to have to start putting links up or your arguments dont really count for much.
These are from some novels. The Hydralisk one occurs after two psionic storms hit a battlecruiser... and I don't know about the Zerglings. Starcraft 2 also has the spines shatter pieces of stone.