Category Nuances for crustacean:

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

Simple Categories for crustacean:

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