If you're using picked lobster meat, add the lobster with the marinara sauce in Step 2 instead of with the cod in Step 1.
1/4 cup olive oil
4 garlic cloves, sliced thin
4 split lobster tails or 12 oz. fresh or frozen picked lobster meat
1 lb. skinless cod fillets
1 lb. calamari, sliced crosswise into 1 inch rings
1 lb. littleneck clams, scrubbed and rinsed
1 lb. mussels, scrubbed, rinsed, and debearded
12 jumbo shrimp, peeled and deveined
8 oz. scallops, side muscles removed
1 (24-oz.) jar spicy marinara sauce
1 lb. linguine, cooked, for serving