Works in North Pacific Ocean

A new species of black coral, Stauropathes monopinnata sp. nov., represented by two specimens collected 738 m and 1604 m deep off Puerto Rico and Hawaii, respectively, is recogniz…

Four synallactid specimens were collected during four deep-water benthic fauna surveys (2013–2018) conducted at three seamounts (‘Jiaolong’, ‘Y3’, and ‘M4’) and the Ganquan Platea…

We present for the first time the complete mitochondrial genomes (mt genomes) of the earthworms Aporrectodea caliginosa and Ap. trapezoides (Clitellata, Megadrili) collected in Hu…

The genus Xystodesmus Cook, 1895 (most closely related to Riukiaria Attems, 1938) is retained as a taxon of xystodesmine millipedes with a relatively small body length (25–35 mm),…

Two new species of Viscosia from the intertidal zone along the Yellow Sea are described and illustrated. Viscosia media sp. nov. is characterized by a heavily cuticularized and re…

The millipede genus Kronopolites Attems, 1914 was originally described by monotypy with Strongylosoma swinhoei Pocock, 1895 as the type species, which was based on a single female…

The abyssal plains of the Clarion-Clipperton Zone (CCZ) are famous for their fields of polymetallic nodules, which are inhabited by benthic invertebrates. Ten specimens from the I…

The deep-sea cardinalfish Epigonus glossodontus Gon, 1985, previously known only from the Hawaiian Islands, was observed using remotely operated vehicles (ROVs) on steep seafloors…

Deep-sea sponges create complex biogenic structures and attract a wide array of deep-sea organisms, including symbionts. In this study, we describe Eunice siphoninsidiator sp. nov…

The number of amphibian species described yearly shows no signs of slowing down, especially in tropical regions, implying that the biodiversity of amphibians remains woefully unde…

A new species of cirri-bearing eel, Cirrhimuraena taiwanensis sp. nov. (Anguilliformes, Ophichthidae), is described based on a specimen collected from the estuary of the Langyang …

Oiketicoides gohadoensis Roh & Lee, sp. nov. is described as new to science. The morphology of male adult, including genitalia, is described, and DNA barcodes for precise identifi…

A new supergiant species of Bathynomus A. Milne-Edwards, 1879 from Vietnam is described. Bathynomus vaderi sp. nov. is characterised by its wide, rectangular clypeal region with p…

The methane seeps on the Pacific margin of Costa Rica support extensive animal diversity and offer insights into deep-sea biogeography. During five expeditions between 2009 and 20…

Seamounts are biodiversity hotspots that face increasing threats from anthropogenic activities. Seamounts host diverse sessile suspension-feeding organisms such as sponges and ant…

Three species of the spider family Philodromidae are reported from the south of China. A new genus, Sinodromus gen. nov., is described from Jiangxi, Fujian, and Hunan Provinces. I…

A new species of the family Calliopiidae was collected from the East Sea of Korea. Calliopius ulleungensis sp. nov. is similar to C. columbianus Bousfield & Hendrycks, 1997 in hav…

A new species of beardfish, genus Polymixia, is described based on three specimens collected in Taiwanese waters and off the Chesterfield Islands of New Caledonia. It can be disti…

The large-mouth pricklefish, Malacosarcus macrostoma (Günther, 1878), previously known from five specimens collected from the central Pacific Ocean, is redescribed based on three …

Examination of the type series of Lestidium japonica Tanaka reveals that the generally accepted concept of this species does not accord with the type series. A historical review o…

Two new species of dark-body snake eels are described based on specimens collected from Taiwan. Ophichthus kbalanensis sp. nov. has a long tail; dorsal-fin origin above posterior …

The slender snake eel genus Yirrkala from Taiwan is reviewed, and a total of four species are recognized, including a new species described here. Yirrkala nkust sp. nov. is descri…

Yilan, Taiwan is the first place in East Asia where freshwater glass eels, the juvenile stage of Anguilla species, arrive by ocean currents. We collected glass eels by fyke net in…

Although the status of Parascorpaena moultoni (Whitley, 1961) is now well established, the morphology of the species has been re-examined, with new diagnostic features identified.…

Mecistocephalus Newport, 1843 is the most diverse genus in the family Mecistocephalidae; however, only two species have been recorded in mainland China to date. Therefore, taxonom…

Dryadaula epischista (Meyrick, 1936), initially described from a single male specimen in Japan, is herein redescribed based on newly collected specimens from the type locality. Fu…

Weevils represent one of the most speciose and economically important animal clades, but remain poorly studied across much of the Oriental Region. Here, an integrative revision of…

Palaearctic species of the genus Apsilocera Bouček, 1956 are reviewed. Twelve Palaearctic species are recognized based on females, of which eight new species are described: Apsilo…

We describe a new plexippine genus, Tenkana gen. nov., supported by phylogenomic data from ultraconserved elements (UCEs), Sanger sequences of four genes, and morphological eviden…

Three new species of Rhogadopsis Brèthes, 1913 (R. clausulata sp. nov., R. obliqoides sp. nov. and R. setosipunctata sp. nov.) are described and illustrated. Rhogadopsis unicarina…

The ocean remains a reservoir of unknown biodiversity, particularly in the deep sea. Chemosynthesis-based ecosystems, such as hydrothermal vents and hydrocarbon seeps, host unique…

Four adult females of a rare benthic/epiphytic harpacticoid copepod species of the genus Peltidium Philippi, 1839 were collected from insular zooplankton samples obtained at Revil…

Limnichthys koreanus sp. nov. is described on the basis of the holotype and 11 paratypes from subtidal waters of Seogwipo, Jeju Island, Korea. The new species had previously been …

Four species of the cosmopolitan genus Asaphes Walker, 1834 (Hymenoptera: Chalcidoidea: Asaphesinae, family incerta sedis) are recorded from Xinjiang Uyghur Autonomous Region, Chi…

Members of the genus Pseudopterogorgia Kükenthal, 1919 are widely distributed in shallow water of the Indo-West Pacific. During an investigation of benthic biodiversity in the sub…

The genus Laelius Ashmead, 1893 (Hymenoptera, Bethylidae) is a cosmopolitan bethylid genus with 68 valid species distributed across most zoogeographic regions worldwide. This taxo…

A new intertidal species of the melitid amphipod, Melita panda, from the Wakayama Prefecture, Japan, is identified and described. Melita panda sp. nov. differs from the similar M.…

The description of diagnostic morphological characters and DNA barcoding of fish larvae from nine species of the carangid family are provided from specimens collected during a wee…

Over the past decade, the prevalence of mass outbreaks involving non-native insects has sparked concerns about their potential negative impact on human inhabited areas and local e…

Two new species of the family Aoridae, one from the genus Aoroides Walker, 1898, and other from the genus Grandidierella Coutière, 1904, are reported from Korean waters. Aoroides …

Albinism is an uncommon phenomenon and inherited condition in animals characterized by a partial or complete lack of melanin. The family Xenodermidae Gray, 1849, is a group of cae…

Two new marine nematode species belonging to the genus Halichoanolaimus from the intertidal zone of the Yellow Sea are described. Halichoanolaimus sinensis sp. nov. is characteriz…

Four genera are reported for the first time from Japan (Areotetes van Achterberg & Li, 2013, Indiopius Fischer, 1966, Neopius Gahan, 1917 and Sternaulopius Fischer, 1965), and key…

A new zooxanthellate scleractinian coral, Paragoniastrea variabilis Kishi, Nomura & Fukami, sp. nov. (Scleractinia, Merulinidae), is described from non-coral reef regions of Japan…

The diversity of nemerteans along the Pacific coast of the United States is regarded as well characterized, but there remain many cryptic, undescribed, and “orphan” species (those…

A combination of morphological traits and DNA data (COI and 28S rRNA partial sequences) was used to study the genus Mongoloniscus Verhoeff, 1930 from China. Four new species are d…

Based on several field investigations, many molluscan shells and chondrichthyan teeth, together with other invertebrate and actinopterygian remains were found from the marine Bang…

The genus Hivanua gen. nov. is established for the harmochirine jumping spiders of the Marquesas Islands, formerly placed in Habronattus F.O. Pickard-Cambridge, 1901 and Havaika P…

Species of the thorny lacewing subfamily Symphrasinae (Neuroptera: Rhachiberothidae) are revised. Prior to this work, 42 species were known in the genera Anchieta Navás, 1909, Ple…

A comprehensive overview of the state of knowledge on the Chilopoda Geophilomorpha of the Asian part of Russia is presented, based on the critical revision of all published morpho…