Roboastra, Bergh, 1877

Tibiriçá, Yara, Pola, Marta & Cervera, Juan Lucas, 2017, Astonishing diversity revealed: an annotated and illustrated inventory of Nudipleura (Gastropoda: Heterobranchia) from Mozambique, Zootaxa 4359 (1), pp. 1-133 : 74

Roboastra gracilis ( Bergh, 1877)

( Figure 24 G )

Material examined. Eight specimens. MB28-004556, ZRP, 0 3 Jun. 2012, 2 m, 22mm; MB28-0 0 4557, ZRP, 0 3 Jun. 2012, 2 m, 18mm, collected by A. Roseblum; MB28-004593, ZJS, 23 Jun. 2012, 8 m, 12mm, collected by A. Roseblum; MB28-004762, VISP, 12 Aug. 2013, 2 m, 12mm; MB28-00 4763, VISP, 12 Aug. 2013, 2 m, 14mm; MB28-004764, VISP, 12 Aug. 2013, 2 m, 13mm; MHN-YT987, VISP, 12 Aug. 2013, 2 m, 5mm; MB28-004876, NHR, 29 May 2014, 6m, 19mm.

Habitats. Subtropical tidal reefs, rocky reefs and tropical coral reefs. Often found under rocks.

Occurrences. Zavora, Nuarro and Vamizi Island.

Geographic distribution. Indo-west, central Pacific. Hawaii, Marshall Islands, Palau ( Pola et al. 2005b), Guam ( Carlson & Hoff 2003), Japan ( Baba 1949), Solomon Islands, Thailand ( Debelius 1996), Papua New Guinea, Australia ( Pola et al. 2005b), Indonesia ( Debelius 1996; Yonow 2011), Philippines ( Pola et al. 2005b), Maldives ( Yonow 2012), Réunion Island, Tanzania ( Yonow 2012), South Africa ( Gosliner 1987) and Mozambique (Gosliner et al. 2008).

Figures

FIGURE 24. A, Nembrotha kubaryana (MB28-005087). B, Nembrotha lineolata (MB28-004525). C, Nembrotha livingstonei (MB28-004737). D, Nembrotha milleri (MB28-005049). E, Nembrotha purpureolineata (MB28-004488). F, Nembrotha cf. yonowae (MB28-004707).G, Roboastra gracilis (MB28-004593).H, Roboastraluteolineata (MB28-004846).I, Tambjaaffinis (MB28-004750).J, Tambja amakusana (MB28-004497).K, Tambja morosa (MB28-004437). L, Tambja zulu (MB28-004748).