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Introduction
Deep Sea Polychaetes
Systematics/Taxonomy of Polychaetae
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September 2012 - present
July 2017 - present
Publications
Publications (25)
A new wood-fall-associated maldanid discovered at a depth of 2,321 m in the South China Sea is here morphologically and molecularly described as Nicomache tigilli sp. nov. The new species is characterized as having 21 chaetigers, a prostomium rounded anterior, an arched cephalic keel, anterior ends of nuchal grooves curved outwards, 3–6 acicular sp...
Various consumer electronics have become indispensable for our daily lives, and they rely heavily on visual content, such as image, to deliver immersive experiences to users. However, consumer electronic devices may encounter issues like image corruption, noise interference, or object occlusion, and images in consumer electronics may be subjected t...
Lepidonotopodinae is a subfamily of Polynoidae endemic to deep-sea chemosynthetic ecosystems around the world. Nevertheless, their species composition and phylogeny have only been systematically studied in hydrothermal vents of the Eastern and Western Pacific. Here, we morphologically and genetically examined worms in Lepidonotopodinae from vents a...
A new species of the nereidid annelid, genus Nicon Kinberg, 1866, from KIOST Seamount, Northwest Pacific deep water is described. Nicon is a genus characterized by lacking paragnaths or papillae on the pharynx and composed of nine species worldwide, distributed from shallow water to deep sea. Nicon ablepsia sp. nov. here described is characterized...
Ceuthonoe, a new genus with type species C. nezhai sp. n. commensal with euplectellid glass sponge (Hexactinellida: Euplectellidae), is described and illustrated, based on the material collected from Weijia Guyot, western Pacific. The new genus is distinguished by a combination of characters: body with 32 segments; 14 pairs of elytra; prostomium wi...
Alentiana has only one member, A. aurantiaca (Verrill, 1885), commensal with sea anemone (Bolocera tuediae). Here, Alentiana palinpoda sp. nov., a second member in the genus Alentiana (subfamily Lepidastheniinae), a new commensal polynoid is described, based on a specimen collected from a deep-water seamount in the Northwest Pacific Ocean. The new...
多毛纲是环节动物门中最大的纲，主要栖息于海洋环境，是潮间带及潮下带最常见的大型底栖动物类群之一。我国海域辽阔，海岸线长，生境类型复杂多样，多毛类动物多样性非常高。在各项海洋底栖生物资源调查过程中发现，多毛类动物样品数量很多，但多数虫体并不完整，而样品的完整性直接影响物种鉴定工作，进而阻碍多毛纲动物分类学及生态学研究的发展。针对这一情况，本文对多毛纲动物的现场调查取样、标本分拣、样品的处理与保存等工作进行详细介绍，使初学者能快速掌握多毛纲动物的野外采集方法和样品处理方法。
Hadal trenches remain one of the unexplored ocean ecosystems due to the challenges of sampling at great depths. It is still unclear how a faunal community changes from the abyssal to the hadal zone, and which environmental variables are the key impacting factors. In this study, nine dives of the Human Occupied Vehicle (HOV) “JIAOLONG” were conducte...
Polychaete species are widely distributed throughout Indo-Pacific and European waters. We collected Metasychis specimens from the China Seas to report on Metasychis varicollaris sp. n. and Metasychis gotoi (Izuka, 1902) in greater detail. Geographic analysis of the potential distribution areas of M. gotoi indicates that it may be found in most coas...
China Seas are one of the most diverse regions in the Pacific. Though much effort has been made to explore its biodiversity, the polychaetes diversity is still poorly known. A large number of species records are based on ecological investigation rather than taxonomical studies. We update the Polychaete species taxonomicaly described from China coas...
China Seas are one of the most diverse regions in the Pacific. Though much effort has been made to explore its biodiversity, the polychaetes diversity is still poorly known. A large number of species records are based on ecological investigation rather than taxonomical studies. We update the Polychaete species taxonomicaly described from China coas...
Sabaco sinicus sp. nov. is described based on material collected from Chinese coast. It has been misidentified as Asychis gangeticus Fauvel, 1932 since Uschakov and Wu (1962). Here, we recognized it as a new species based on combination of the following characters: dark-brown pigmentation spots on nuchal grooves and first three chaetigers; glandula...
A new species of Branchinotogluma, found at two hydrothermal vent fields on Southwest Indian Ocean Ridge, is described herein. It can be distinguished from its congeners by the small acicular lobe on the tentacular segment, the stout smooth notochaetae, 5 pairs of dorsal and ventral papillae surrounding the pharynx, 2 pairs of long ventral papillae...
Maldane sarsi Malmgren, 1865 is affiliate to Maldanidae Malmgren, 1867. It is a common polychaetous species in benthic ecological research and widely distributed in the world ocean. Specimens of M. sarsi deposited in the Marine Biological Museum of the Chinese Academy of Sciences in the IOCAS (Institute of Oceanology, Chinese Academy of Sciences, Q...
The Kuroshio Current intrudes in the bottom layer of the East China Sea continental shelf from the northeast of Taiwan via two bottom branches named the Nearshore Kuroshio Branch Current (NKBC, along the 60 m isobath) and the Offshore Kuroshio Branch Current (OKBC, along the 100 m isobath). However, knowledge on the macrofaunal responses to these b...
Species abundance matrix (frequency of occurrence > 5% and abundance > 0.01 ind./m2).
(XLSX)
The present paper records two chaetopterid species, Spiochaetopterus koreana and S. sanbanzensis not reported previously from China Seas. Spiochaetopterus koreana is distributed in the Yellow, East China and South China Seas. Spiochaetopterus sanbanzensis is widely distributed in the muddy benthic environment of the Yellow Sea. Detailed description...
Maldane sarsi Malmgren, 1865 is affiliate to Maldanidae Malmgren, 1867. It is a common polychaetous species in the benthic ecological research and widely distributed in the world ocean. Specimens of M. sarsi deposited in the Marine Biological Museum of the Chinese Academy of Sciences in the Institute of Oceanology, Chinese Academy of Sciences, Qing...
Paramaldane, new genus, with type species Paramaldane glandicincta sp. n., and Maldane adunca sp. n. (Maldanidae, Polychaeta) are described based on material from the coast of south China. The new genus Paramaldane is similar to Maldane Grube, 1860 and Sabaco Kinberg, 1867, but it clearly differs from all genera within the subfamily Maldaninae by a...
Phyllochaetopterus species are widely distributed on the coast of China. Here, Phyllochaetopterus hainanensis n. sp., a new species collected from Hainan Island (China), is reported. It is characterized by having a V-shaped peristomium, two eyespots covered by a pair of large curved peristomial notopodia (cirri located beneath the palps), 13–14 cha...
Questions
Questions (3)
As R is a free and flexible platform for data science, many packages related phylogeny inference have been developed, such as ape, phytools. Genetic sequences of multiple genes are becoming increasingly common for phylogenetic tree building. How to built a multigene phylogenetic tree with R? Is there a package being used to set the partition of different genes to allow different evolutionary models?
Collection labels shows that this specimen was collected from South China Sea (ca. 14°N， 112°E，>1000 meters depth).
The specimens are very small. One of the specimen looks like having a pair of antenna. Uniramous parapodium with spinigerous compund chaetae. Parapodium well developed with dorsal and ventral cirri.
I don't know which family it belong to.
I have some specimens identified as Sabaco gangeticus (Fauvel, 1932) (type locality of this species is Gangetic Delta, India), but they have some different characters comparing with Fauvel's description. My specimen collected from South China coast waters. They have dark-brown pigmentation spots on ends of nuchal grooves (shows in Figure1). The pygidium have also some differences. The dorsal lobe of anal plate doesn't roll inward so much as Fauvel‘s description (figures uploaded). I am not sure my specimen is true Sabaco gangeticus (Fauvel, 1932). Does anyone have examined specimens of S. gangeticus collected from India? Do specimens of S. gangeticus collected from India have pigmentation on cephalic plate and anterior chaetigers?
