- Combine the arugula, parsley, cilantro, basil and mint in a large bowl. Cover and refrigerate. 
- Combine the olive oil, juice, 1/4 teaspoon salt, 1/4 teaspoon pepper and garlic. Whisk to combine. 
- Heat a large cast-iron skillet (fish) or regular skitllet over medium-high heat. Coat the pan with cooking spray. 
- Sprinkle the filets with remaining 1/4 teaspoon salt and remaining 1/4 teaspoon pepper. 
- Place fillets, skin side down, in pan and cook for 5 minutes. 
- Turn fillets over and cook for another 2 minutes or until done. 
- Add the arugula mixture to plates. Top with a fillet and drizzle with the lemon juice mixture. Serve with lemon wedges.