A rich and nutritious meal in three steps: first place a pot with water, when it starts to boil place onion, sweet pepper, coriander, cilantro, crabs and salt, boil for about 30 minutes. Secondly add the chopped vegetables in small squares, third and last step, when the vegetable is soft, place the fish, let it boil for 15 to 20 minutes, place the juice of two lemons and remove it from the fire.