Modifiers matching snail:

• marine,
• larger,
• aquatic,
• venomous,
• herbivorous,
• intertidal,
• large,
• small,
• predatory,
• terrestrial,

Simple categories matching intertidal:

• creature,
• bivalve,
• invertebrate,
• organism,
• shellfish,
• gastropod,
• arthropod,
• prey,
• system,
• structure,
• herbivore,
• fauna,
• animal,
• mollusk,
• mollusc,
• species,
• snail,