Amathia verticillata morphotype and invertebrate composition. Composition of taxonomic groups (top row) and life history stages (bottom row) of peracarid crustaceans and polychaetes associated with Amathia verticillata compact (left columns) and elongated (right columns) morphotypes. Percentages by: (A) invertebrate groups: amphipods, tanaids, isopods, and polychaetes, and (B) life history stages: immature (juveniles), females with eggs, adults (males and females without eggs), and unknowns.