Octocorals (Cnidaria: Anthozoa) have a global distribution and form benthic assemblages along the depth gradient, from shallow to deep waters. They often occur below SCUBA diving limits, where they can become dominant habitat builders and aggregate different

Specimens of the genus Acanthogorgia (Acanthogorgiidae, Octocorallia) show different sclerite types in the colonie parts like axis coenenchym, polyps and tentacles. Applying high resolution images and three dimensional µCT-scans we compared five Acanthogorgia

In 2017, during a survey of the anthozoan fauna in the Hallyeohaesang National Park in the South Sea, several Acanthogorgia specimens were collected from the subtidal zone. Through taxonomic analysis, one species, Acanthogorgia densiflora Kükenthal