Ever get tired of loading units into an overlord to move them, or losing expansions just because your units take too long too reach their destination to defend. The zerg have a complete and easy solution for this, nydus canals. Nydus canals are useless until you build an exit for them in creep. Concentrate nydus canals in a single base and their exits in other expansions. Try constructing them behind sunkens and spore colonies.
- Hydralisks and ultralisks are best transported in nydus canals. Zerglings are cheap and you can afford having them at every expansion.
- Your main base should contain nydus canals and the defense units. Transport them to expansions when under attack.
- In island games, the nydus canals are very effective for instant transportation.
- During a heavy zergling or air attack build nydus canal exits (one or two)in an enemy zerg's creep. Nydus canal construction is quick, after it finishes, bring via canal the deadly cargo, packs of hydras and ultras.
- The presence of nydus canals makes opponents cautious of attacking undefended colonies. Enemy units usually engage nydus canals first. Defend it until reinforcement arrives.
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