Modifiers matching bivalve:

• sessile,
• small,
• open,
• marine,
• cultured,
• large,
• natural,
• important,
• aquatic,
• common,
• intertidal,
• edible,
• smaller,
• fixed,
• native,
• commercial,
• tidal,

Simple categories matching sessile:

• organism,
• protozoan,
• invertebrate,
• bivalve,
• predator,
• prey,
• form,
• fauna,
• shellfish,
• animal,
• cnidarian,
• echinoderm,
• benthos,
• coelenterate,
• polyp,
• creature,
• ciliate,
• taxon,
• resource,
• mollusc,