Category Nuances for lamprey:

• native,
• ancient,
• primitive,
• jawless,
• cartilaginous,
• bigger,
• adult,
• underwater,
• benthic,
• migratory,
• lower,
• new,
• simple,
• distant,
• local,
• marine,
• invertebrate,
• estuarine,
• exotic,

Simple Categories for lamprey:

• predator,
• peculiarity,
• vertebrate,
• fish,
• fauna,
• craniate,
• chordate,
• organism,
• creature,