Melibe from SE Sulawesi
February 29, 2000
From: Lindsay Warren
Dear Bill
I found this heavily disguised Melibe at approximately 8pm on 2 November 1999 at a depth of 5 ft on a batch of dark red filamentous algae on the sand and seagrass flats of Pulau Hoga [Tukang Besi Archipelago, SE Sulawesi, Indonesia - Operation Wallacea]. Size: 20 mm.
It is transparent with flecks of dark green and white and through the body one can see its internal organs. The oral veil is relatively small but just visible in these two shots. Along both sides of the body are 2 long papillate cerata which terminate in 2-3 'spiky' extensions. The rhinophores are simple and transparent. A very curious specimen which I almost lost in our aquarium because it blends in so well with its
surroundings. There were also a lot of small Stylocheilus striata (5-10mm) in the same patch of algae. Photos: Lindsay Warren.
Can you identify the species?
All the best
Lindsay Warren
100014.2112@compuserve.com
Warren, L., 2000 (Feb 29) Melibe from SE Sulawesi. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/1966Dear Lindsay,
This is a species of Melibe, and I am pretty sure it is a juvenile Melibe viridis. M. viridis is the only species with such a flattened top to the 'tip' of its ceratal processes. Most 'species' are incredibly well camouflaged, and even when they are much larger the transparency is replaced with a mottled pattern of camouflage colours. Identifying species is quite difficult because they have no radula.
Best wishes,
Bill Rudman.
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