Category Nuances for crustacean:

• aquatic,
• pelagic,
• microscopic,
• small,
• macro,
• invertebrate,
• edible,
• hard,
• developed,
• marine,
• benthic,
• heterothermic,
• native,
• cultured,
• underwater,
• level,
• larger,
• distant,
• amphibious,
• large,
• simple,
• animal,
• mobile,
• inconspicuous,
• coastal,
• multicellular,
• heterotrophic,
• pursuing,
• smaller,
• potential,
• bivalve,
• up,
• main,
• familiar,
• opportunistic,
• intertidal,
• dietary,
• motile,
• adult,
• predatory,
• captive,
• related,
• moving,
• resident,
• undersea,
• important,
• desirable,
• little,
• tough,
• abrasive,
• typical,
• slow,
• higher,
• miscellaneous,
• lower,
• meaty,
• soft,
• diverse,
• primitive,
• larval,
• planktonic,
• tiny,
• intermediate,
• fuzzy,
• herbivorous,
• bodied,
• parasitic,
• legged,
• oviparous,
• spineless,
• terrestrial,
• visible,
• sessile,
• complex,
• active,
• modern,
• rare,
• tasty,
• calcareous,

Simple Categories for crustacean:

• fauna,
• host,
• animal,
• predator,
• invertebrate,
• part,
• object,
• item,
• metazoan,
• herbivore,
• prey,
• organism,
• parasite,
• zooplankton,
• creature,
• mollusc,
• insect,
• feeder,
• arthropod,
• critter,
• scavenger,