Mixed Seafood Seviche

Name: Mixed Seafood Seviche
Ingredients: 1 tablespoon Old Bay seasoning; 1/4 pound medium shrimp, shelled and deveined; 1/2 pound large sea scallops (about 6); 1/4 pound small squid, bodies cut crosswise into 1/2-inch rings, tentacles left whole; 1 dozen littleneck clams, scrubbed; 1/2 pound skinless red snapper fillet, cut into 1/2-inch pieces; 1 tablespoon kosher salt; 1 tablespoon finely chopped fresh ginger; 1 celery rib, minced; 1/2 habanero chile, minced; 3/4 cup fresh lime juice (5 limes); 1/4 cup chopped cilantro; 1 medium red onion, thinly sliced; Freshly ground pepper