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Godiva sp. 01

Species Profile

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Godiva sp. 01

Author: Undescribed

Order: Nudibranchia  Family: Myrrhinidae

Maximum Size: 30 mm

Sightings: Sunshine Coast; Whitsundays; Milne Bay, PNG

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Sunshine Coast sighting recorded: 05/09/2020 at Kings Beach Boat Ramp – subtidal.

Godiva sp. 01 Undescribed

The body is translucent with a watery orange tint. This tint is not readily observed with the profusion of cerata and dorsal white pigment. There are patches of opaque white pigment on the face and head delineated by lines of orange. These orange lines encircle the base of each rhinophore to branch posteriorly, anteriorly and laterally. Anteriorly, they run out onto the dorsal surface of the base of each oral tentacle for about 1/3 of their length, but also branch medially to join left to right across the face. Laterally, they run a short distance before joining another line that runs anteriorly to the underside of each oral tentacle and also posteriorly along the sides of the body. Posteriorly, they run from behind the rhinophores to encircle opaque white patches on the dorsal midline. The sides of the body and the dorsal surface of the foot exhibit numerous medium-sized opaque white discs over the orange background. The edge of the foot carries a broken mauve border. The tail is long and tapered, with a mauve tip. The anterior corners of the foot are developed into short propodial tentacles covered in white pigment with a translucent tip.

The oral tentacles of Godiva sp. 01 are prominent, long and tapered, being opaque white with mauve and orange bands basally and at mid-length. Rhinophores are large, held erect and essentially smooth but with weak annulations, particularly noticeable on the distal third. Rhinophore colour is watery orange with opaque white basally and as a band in the mid-section and distally. Eye spots are visible laterally on the rhinophore bases. Cerata are arranged in approximately five clusters down each side. Cerata are opaque white with a mauve band approximately 2/3rds along the length, a translucent band subapically and a translucent tip (sometimes reported as yellow).

Godiva sp. 01 feeds on hydroids usually in shallow waters but is also known to be aggressive and opportunistic on other aeolid nudibranchs.

Our Godiva sp. 01 appears to be a good match with the Godiva sp. 1 of Gosliner et al, 2018. It may also be the Godiva sp. (species number 203) of Wells & Bryce, 2000 and the Godiva sp. (Mosaic Godiva) of Coleman, 2008. p. 269.

Distribution is generally western Pacific. It is well-known in Milne Bay, PNG.

David A. Mullins – November 2023

References:
– Wells, F. E. & Bryce, C. W. (2000). Sea Slugs of Western Australia. Western Australian Museum.

– Rudman, W. B., (2002, February 14) Godiva sp. 1 [In] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/factsheet/godisp1 and associated message.

– Coleman, N. (2008). Nudibranchs Encyclopedia. Neville Coleman’s Underwater Geographic Pty Ltd, Springwood, Qld.

– Gosliner, T. M., Valde ́s, A ́. & Behrens, D. W. (2018). Nudibranch & Sea Slug Identification – Indo-Pacific, 2nd Edition. New World Publications, Jacksonville, Florida, USA.

– Behrens, D., image by Greenamyer, J. (2020). Opisthobranch of the Week, Week: 1143. Mike Miller’s Slug Site. Available at: http://slugsite.us/bow2007/nudwk1143.htm

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