Modifiers matching larva:

• small,
• invertebrate,
• large,
• sized,
• useful,
• aquatic,
• mobile,
• pelagic,
• crustacean,
• bodied,
• unwanted,
• bivalve,
• marine,

Simple categories matching bivalve:

• larva,
• mollusc,
• mollusk,
• seafood,
• shellfish,
• predator,
• species,
• organism,