Modifiers matching inhabitant:

• urban,
• past,
• amphibious,
• native,
• ferocious,
• indigenous,
• aquatic,
• unwanted,
• underwater,
• smaller,
• lovely,
• creepy,
• unique,
• natural,
• varied,
• primitive,
• beneficial,
• dangerous,
• supernatural,
• original,
• nocturnal,
• interior,
• coastal,
• sensitive,
• new,
• animal,
• skilled,
• local,
• peaceful,

Simple categories matching amphibious:

• creature,
• reptile,
• decapod,
• being,
• animal,
• tetrapod,
• vertebrate,
• mammal,
• inhabitant,
• friend,