 Over the following days the Spanish discovered that although the Maya arrows had struck with little force, the flint arrowheads tended to shatter on impact, causing infected wounds and a slow death; two of the wounded Spaniards died from the arrow-wounds inflicted in the ambush.Over the next fifteen days the fleet slowly followed the coastline west, and then south.The casks brought from Cuba were leaking and the expedition was now running dangerously low on fresh water; the hunt for more became an overriding priority as the expedition advanced, and shore parties searching for water were left dangerously exposed because the ships could not pull close to the shore due to the shallows.