| Biotic Setting | Planktonic Biota |
| Biotic Group | Zooplankton |
| Biotic Subclass | Gelatinous Zooplankton |
| Biotic Group | Salp Aggregation |
| Biotic Community | Pegia Aggregation Thalia Aggregation |
| Definition | Water parcels in which salps (bag-like gelatinous filter-feeding tunicates) aggregate and are the dominant form of zooplankton. Many salps grow in a chain formation that can consist of 100 individuals or more, sometimes reaching 30 meters or greater in length, although much shorter chains are more common. |