Modifiers matching plankton:

• pelagic,
• larger,
• oceanic,
• floating,
• animal,
• motile,
• gelatinous,
• microscopic,
• large,
• net,
• small,
• marine,
• bioluminescent,
• crustacean,
• abundant,
• unicellular,

Simple categories matching pelagic:

• fish,
• plankton,
• animal,
• cephalopod,
• fossil,
• bird,
• larva,
• predator,
• food,
• crustacean,
• family,
• vertebrate,
• mammal,
• organism,
• ray,
• invertebrate,
• shark,
• cnidarian,
• prey,
• seabird,
• action,
• tuna,
• species,
• fisher,
• fauna,
• process,