Category Nuances for crustacean:

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

Simple Categories for crustacean:

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