Catfish Ceviche

Ingredients

• 1 lb catfish fillet, cut into 1/2-inch pieces
• 1 teaspoon grated lemon zest
• 1/2 cup fresh lemon juice
• 1 teaspoon grated lime zest
• 1/2 cup fresh lime juice
• 2 tablespoons extra-virgin olive oil
• 1 cup seeded diced ripe tomatoes
• 1/2 cup finely diced red onion
• 2 garlic cloves, thinly sliced
• 2 tablespoons cilantro leaves
• 1 tablespoon oregano leaves
• 1 jalapeno pepper, seeded, deveined, and minced
• 1 teaspoon salt
• 1/2 teaspoon sugar
• 1 avocado, pitted, peeled, and diced