Fill a small pan with water and bring it to a simmer. Drop in the chicken, cover, turn off the heat and let it sit for 25 minutes or until the chicken is cooked. Remove the chicken from the water, allow it to cool, slice and set aside.
Peel the cucumbers and slice in half lengthways. Using a teaspoon, remove the seeds, then cut into thin slices.
In a large bowl, combine the fish