Cod and Shrimp Ceviche

1 lb Cod
1 lb medium Shrimp cooked
1 ½ cups lime juice for marinade
1 white onion chopped fine
½ cup cilantro leaves only, chopped fine
3 tablespoons orange juice
½ cup lime juice
½ cup ketchup
1-2 avocados cubed
½ peeled and cubed cucumber

1)Rinse cod and pat dry. Cut into ½ inch pieces and placed into a large bowl.
2)Add onion and lime juice, cover with plastic wrap and place in refrigerator for 4 hours. Fish should look cooked. Check to make sure fish is floating. Stir once during this time.
3)Cut shrimp into same size as cod pieces. Place in bowl.
3)Drain lime juice and reserve onion and fish. Add to shrimp.
4)Add remaining ingredients and combine. Serve immediately or chill.