Clams and mussels are both mollusks, and although they are obviously different in flavor, people don’t know much else off the top of their heads. We’ll go through all of their unique features.
Clam: Round or long (razor) shaped, stout, fat, smooth, oval equally-sized halves, organs inside, hard to open
Mussel: Oblong, irregular round, thin, rough, and either black, dark blue or brown, silver or grey inside