Quote Originally Posted by Kyeudo View Post
If I see a toss going heavy air, I get hydralisks. The only reason hydralisks are bad in ZvP is that Toss usually has Colossi. Heavy air prevents Colossi.
Also the fact that Hydralisks move extremely slow. They won't be in position to stop Phoenix harass unless you keep groups in each mineral line. Once you begin moving them out, Phoenixes can just swing around your army and go into your mineral line again.
The potency in Protoss air is usually low Phoenix numbers for harass (forcing your opponent's Hydras back and/or forcing him to build static defense) plus the very, very dangerous Void Ray/Colossi mix. Hydras simply disappear against Void Rays and Colossi.