Kinilaw na Guso, Pinoy

INGREDIENTS:

1/4 kilo guso
1 cup vinegar
2 small onions, sliced
3 pcs. tomatoes
1 thumb-sized ginger, sliced
2 tbsps. patis (fish sauce)
1 green mango, shredded
guinamos (shrimp paste)
2 calamansi, juice only

PROCEDURE:

Clean the guso thoroughly in running water.
Blanch the guso in hot water. Remove and allow to drain.
In a bowl, mix with all the other ingredients and toss.