Trinchesia sp. 2

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

Trinchesia sp. 2 Figure 21J

Material examined.

Two specimens 35-40 mm, TT; one specimen 45 mm, TW.

Ecology.

Cryptic on its host hydroid Macrorhynchia sp., colonies of which are found exclusively in soft sediment habitats outside the coral reef. Depth 12-24 m.

Distribution.

Tenellia sp. 17 is known only from the United Arab Emirates ( Gosliner et al. 2018) and Tenellia sp. ( Tibiriçá et al. 2017) is known from Mozambique. Known from the Gulf of Thailand ( Mehrotra and Scott 2016).

Remarks.

Mistakenly identified as Cuthona yamasui Hamatani, 1993 by Mehrotra and Scott (2016). Very similar also to Trinchesia sp. 3, with which it shares a prey species (alongside Lomanotus vermiformis ).

Figures

Figure 21. A Phestilla lugubris 30 mm B Phestilla melanobrachia 30 mm (photograph by Tom Jang) C Phestilla cf. minor 18 mm D Phestilla viei 20 mm E Phestilla subodiosa 2 mm F Phestilla sp. 1 8 mm G Phestilla sp. 2 4 mm H Phestilla sp. 3 3 mm I Trinchesia sp. 1 10 mm (photograph by Wanraya Kraikruan) J Trinchesia sp. 2 40 mm K Trinchesia sp. 3 45 mm (photograph by Pau Urgell Plaza) L Trinchesiidae sp. 6 mm.