This dataset is composed by 619 still frames extracted from a diver-based video survey, recorded in 14th November 2017 during a combined field event between the New Zealand Researchers of Waikato University and the Korean Researchers of Korean Polar Research Institute (KOPRI). The frames depict the permanent transect "BTN_PNRA_T2" established in 2015, in the context of the XXXI Italian National Antarctic Program (PNRA) expedition. The diving site is named "Zecca" (coordinates: 74° 41.410' S, 164° 06.233 E) and the transect is at 19.4 m of depth.