Marionia arborescens Bergh, 1890

(Figure 29 D)

Material examined. Six specimens. MHN-YT278b, ZRP, 21 Feb. 2012, 2m, 18mm; MB28-004512, ZRP, 21 Feb. 2012, 2m, 20mm; MB28-004513, 21 Feb. 2012, 2m; MB28-004514, ZRP, 21 Feb. 2012, 2m, 36mm; MB28- 0 0 4788, ZRP, 0 5 Jan. 2014, 0.3m, 44mm; MB28-005027, NHR, 25 May 2016, 8m, 38mm.

Habitats. Subtropical tidal reefs and tropical coral reefs.

Occurrences. Zavora and Nuarro.

Geographic distribution. Indo-west Pacific. Philippines, Indonesia, Tanzania, South Africa (Gosliner et al. 2008) and Mozambique.

Remarks. Active at night on soft corals.