Soong Giun Yee, Bonomo Lynn J, Reimer James D, Gosliner Terrence M
Molecular Invertebrate Systematics and Ecology Laboratory, Graduate School of Engineering and Science, University of the Ryukyus, Senbaru 1, Nishihara, Okinawa 903-0213, Japan.
Department of Invertebrate Zoology & Geology, California Academy of Sciences, San Francisco, California 94118, USA.
Zookeys. 2022 Jan 25;1083:169-210. doi: 10.3897/zookeys.1083.72939. eCollection 2022.
Species identities of nudibranchs with white bodies and various marginal bands have long been problematic. In this study, specimens of these nudibranchs from the Philippines, Peninsular Malaysia, Japan, Papua New Guinea, and Madagascar were analyzed and molecular data were obtained in order to re-examine the relationships between species within this "white with marginal bands" group. The analyses clearly recovered six species groups corresponding to the described species , , , , and as well as one new species, Soong & Gosliner, Notably, , , , , and Soong & Gosliner, exhibit color variation and polymorphism, suggesting that some aspects of color patterns (e.g., presence or absence of dorsal spots) may not always be useful in the identification of species in the "white with marginal bands" group, whereas other features such as gill and rhinophore colors and the arrangement and colors of the mantle marginal bands are more diagnostic for each species.
具有白色身体和各种边缘带的裸鳃亚目动物的物种鉴定一直存在问题。在本研究中，对来自菲律宾、马来西亚半岛、日本、巴布亚新几内亚和马达加斯加的这些裸鳃亚目动物标本进行了分析，并获得了分子数据，以便重新审视这个“有边缘带的白色”群体内物种之间的关系。分析清楚地识别出六个物种组，分别对应于已描述的物种、、、、和，以及一个新物种，宋氏裸鳃海牛（Soong & Gosliner）。值得注意的是，、、、、和宋氏裸鳃海牛表现出颜色变化和多态性，这表明颜色模式的某些方面（例如背部斑点的有无）在识别“有边缘带的白色”群体中的物种时可能并不总是有用的，而其他特征，如鳃和嗅角的颜色以及外套膜边缘带的排列和颜色，对每个物种更具诊断性。
