Armina scotti Mehrotra, Caballer & Chavanich, 2017

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

Armina scotti Mehrotra, Caballer & Chavanich, 2017 Figure 19A

Material examined.

Two specimens 35-49 mm, SB; one specimen 41 mm, TT.

Ecology.

Exclusively known from soft sediment habitats outside the coral reef where it feeds on the sea pen Virgularia sp. One individual observed feeding on partially decomposed Pteroeides sp. ( Octocorallia: Pennatulidae ). Depth 12-29 m.

Distribution.

Known from the western Pacific including Japan ( Okutani 2000), Singapore, the Philippines, and Indonesia ( Gosliner et al. 2008). Known from the Andaman and Gulf waters of Thailand ( Chavanich et al. 2013; Mehrotra et al. 2017). Koh Tao is the type locality of this species.

Remarks.

Specimens identified as Armina semperi (Bergh, 1866) from coasts of Thailand correspond to this species ( Mehrotra et al. 2017).

Figures

Figure 19. A Armina scotti 41 mm B Dermatobranchus caeruleomaculatus 55 mm C Dermatobranchus dendronephthyphagus 40 mm D Dermatobranchus fortunatus 11 mm E Dermatobranchus semilunus 33 mm (photograph by Pau Urgell Plaza) F Dermatobranchus cf. striatus 14 mm G, H Dermatobranchus sp. 1 32 mm (G) and 28 mm (H) I, J Dermatobranchus sp. 2 27 mm K Bornella hermanni 12 mm L Bornella johnsonorum 35 mm.