Goniobranchus sp.

Mehrotra, Rahul, A. Caballer Gutierrez, Manuel, M. Scott, Chad, Arnold, Spencer, Monchanin, Coline, Viyakarn, Voranop & Chavanich, Suchana, 2021, An updated inventory of sea slugs from Koh Tao, Thailand, with notes on their ecology and a dramatic biodiversity increase for Thai waters, ZooKeys 1042, pp. 73-188 : 73

Goniobranchus sp. Figure 10H

Material examined.

One specimen 55 mm, CP.

Ecology.

Among rocks and corals at offshore rocky pinnacles. Depth 18 m.

Distribution.

Goniobranchus sp. 5 ( Soong et al. 2020) is known from the Philippines, Indonesia, Japan, and Australia. A similar species is known from the Gulf of Thailand, incorrectly recorded as Goniobranchus reticulatus by Mehrotra and Scott (2016).

Remarks.

Red reticulated specimens of Goniobranchus have been known to represent a complex of species often attributed to G. reticulatus or G. tinctorius . Recent molecular work by Soong et al. (2020) concluded that none of the five distinct lineages identified corresponded exactly with the description of either of the aforementioned species. Due to the overlapping ranges and external variability of some of these, a further morphological investigation into these lineages is needed to define the species.

Figures

Figure 10. A Goniobranchus aureopurpureus 45 mm B Goniobranchus fidelis 12 mm C Goniobranchus geometricus 15 mm (photograph by Kirsty Magson) D, E Goniobranchus sinensis different morphs, 34 mm (D) and 55 mm (E) F Goniobranchus tumuliferus 10 mm G Goniobranchus verrieri 10 mm (photograph by Khumron Waipaka) H Goniobranchus sp. 55 mm (photograph by Phannee Mccarthy) I Hypselodoris cerisae 4 mm J Hypselodoris confetti 24 mm (photograph by Pau Urgell Plaza) K Hypselodoris decorata 18 mm L Hypselodoris infucata 12 mm.