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Eubranchus sp.
Image courtesy of Christiane WaldrichPhoto taken Liberty Wreck, Bali, Indonesia
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Eubranchus sp. (undescribed)
Well it looks like Christiane has found another new species in Bali. Although we would have to get a peek at the radula to say for sure, I will call this one a Eubranchus, because to the ceratal arrangement, rather than a Cuthona. Eubranchus have a rachidian tooth with a lateral tooth on each side, while Cuthona only have the single rachidian. Only way to tell is to open it up. This species appears distinct from anything we've seen, but it is remarkably similar to Eubranchus sp. 19 (page 340) in Nudibranch and Sea Slug Identification , and Eubranchus sp. 3, from Mexico and Costa Rica (page 113) in Eastern Pacific Nudibranchs. Talk about a disjunct geographic range - wow. The coloration of Christiane's critter is kind of the reverse of Eubranchus sp. 19. In her animal the tighly packed cerata have tips that are light followed by a dark band, the opposite of E. sp. 19. Both have a white line down the midline. On the other hand the rhinophores and head tentacles are different, and look surprisingly Cuthonid. Wish I could identify the pretty pink cnidarians it is feeding on. I am ever hopeful, that Indonesia will someday soon allow collection of specimens for scientific research because there are so many undescribed species living in the waters around the countries many islands. |
Sammamish, WA 98074
Aug., 2016
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