Hierarchy classification:

1. top of the aat hierarchies
2. Agents Facet
3. Living Organisms (hierarchy name)
4. living organisms (entities)
5. Eukaryota (domain)
6. Animalia (kingdom)
7. Chordata (phylum)
8. Vertebrata (subphylum)
9. Osteichthyes (class)
10. Actinopterygii (subclass)
11. Perciformes (order)
12. Pomacentridae (family)
13. Amphiprioninae (subfamily)

Anotations

Scope note:

Genus comprised of a single species: Premnas biaculeatus, which inhabits lagoons and outer reef slopes in 1 to 16 metres. Commensal with sea anemones, usually Radianthus gelam. Also reported to be associated with the anemone Entacmaea quadricolor, found mainly in protected coastal waters and lagoons. Feeds primarily on zooplankton and benthic algae.