Seafood with mandarin

10 sea scallops (tendon removed) 1 tablespoon olive oil 2 mandarin oranges (1 peeled and divided into slices, the other to juice as per below) 1/2 onion ,[...]

2 cups cooked couscous 1 tablespoon butter , divided 1 lb sea scallops pepper , to taste 1/4 cup orange juice 1 cup scallion , sliced thinly 1 (11 ounce) can[...]

3 -4 heads romaine lettuce , shredded 4 mandarin oranges , peeled and separated 1 lb shrimp , cooked and cleaned 1/2 lb edamame , cooked and shelled 1/4 cup[...]

1 (11 ounce) can pineapple chunks , drained, coarsely chopped 1 (11 ounce) can mandarin orange segments , drained, coarsely chopped 1/2 small red onion ,[...]