Zoological Science

Article	Citations
Involvement of the Clock Gene Period in the Photoperiodism of the Silkmoth Bombyx mori	19
A Manually Curated Gene Model Set for an Ascidian, Ciona robusta (Ciona intestinalis Type A)	16
Molecular Phylogenetic Analysis of Acotylea (Platyhelminthes: Polycladida)	15
Milnesium (Tardigrada: Apochela) in Japan: The First Confirmed Record of Milnesium tardigradum s.s. and Description of Milnesium pacificum sp. nov.	11
Wide-Scale Gene Flow, Even in Insects that have Lost their Flight Ability: Presence of Dispersion Due to a Unique Parasitic Ecological Strategy of Piggybacking Hosts	9
Intra- Versus Inter-Sexual Selection on Sexually Dimorphic Traits in Drosophila prolongata	8
Molecular and Morphological Diversity of Heterodesmus Brady and Its Phylogenetic Position within Cypridinidae (Ostracoda)	8
Lineid Heteronemerteans (Nemertea: Pilidiophora) from Sagami Bay, Japan, with Some Proposals for the Family-Level Classification System	8
Two New Brackish-Water Species of Macrostomum (Platyhelminthes: Macrostomorpha) from China and Their Phylogenetic Positions	7
Infestation of the Parasitic Isopod Mothocya parvostis on Juveniles of the Black Sea Bream Acanthopagrus schlegelii as an Optional Intermediate Host in Hiroshima Bay	7
Photoperiodic Response in the Pars Intercerebralis Neurons, Including Plast-MIP Neurons, in the Brown-Winged Green Bug, Plautia stali	7
Timeless Plays an Important Role in Compound Eye-Dependent Photic Entrainment of the Circadian Rhythm in the Cricket Gryllus bimaculatus	7
Heterocypris spadix sp. nov. (Crustacea: Ostracoda: Cypridoidea) from Japan, with Information on Its Reproductive Mode	7
Symbiont Transmission onto the Cell Surface of Early Oocytes in the Deep-Sea Clam Phreagena okutanii	6
Burrowing and Anti-Predator Requirements Determine the Microhabitat Selection of Himalayan Marmot in Zoige Wetland	6
Bacteriocytes and Blattabacterium Endosymbionts of the German Cockroach Blattella germanica, the Forest Cockroach Blattella nipponica, and Other Cockroach Species	6
Discovery of Two Lineages of Hynobius tsuensis (Amphibia, Caudata) Endemic to Tsushima Island, Japan	6
Environmental Acquisition of Gut Symbiotic Bacteria in the Saw-Toothed Stinkbug, Megymenum gracilicorne (Hemiptera: Pentatomoidea: Dinidoridae)	6
Temperature-Dependent Swimming Performance Differs by Species: Implications for Condition-Specific Competition between Stream Salmonids	6
Venomous Loxosceles Species (Araneae, Haplogynae, Sicariidae) from Brazil: 2n♂ = 23 and X1X2Y Sex Chromosome System as Shared Characteristics	6
Facilitated NaCl Uptake in the Highly Developed Bundle of the Nephron in Japanese Red Stingray Hemitrygon akajei Revealed by Comparative Anatomy and Molecular Mapping	5
Two New Species of the Genus Eucorydia (Blattodea: Corydiidae) from the Nansei Islands in Southwest Japan	5
Expression Profiles of dmrt1 in Schizothorax kozlovi, and Their Relation to CpG Methylation of Its Promoter and Temperature	5
Decreased Diversity and Abundance of Marine Invertebrates at CO2 Seeps in Warm-Temperate Japan	5
Reproduction of Mesobiotus: Comparison of Morphology and Behavior in the Family Macrobiotidae (Tardigrada: Eutardigrada)	5

Description of a New Hamatipeda Species, with an 18S Molecular Phylogeny (Crustacea: Tanaidacea: Typhlotanaidae)	5
Wide Distribution but Low Differentiation: Phylogenetic Relationships and Phylogeography of Hynobius nigrescens (Amphibia: Caudata)	4
Taxonomic Reappraisal of Lineus longifissus Auct. (Nemertea: Pilidiophora) from Japan for the First Time in 122 Years	4
Relationship between Brain Morphology and Life History in Four Bottom-Dwelling Gobiids	4
The Compound Eye Possesses a Self-Sustaining Circadian Oscillator in the Cricket Gryllus bimaculatus	4
Molecular Genetics Supports a Potential Fifth Asian Pangolin Species (Mammalia, Pholidota, Manis)	4
Phylogenetic Separation of Holotrichia Species (Insecta, Coleoptera, Scarabaeidae) Exhibiting Circadian Rhythm and Circa‘bi’dian Rhythm	4
Osteoclastic and Osteoblastic Responses to Hypergravity and Microgravity: Analysis Using Goldfish Scales as a Bone Model	4
Exumbrellar Surface of Jellyfish: A Comparative Fine Structure Study with Remarks on Surface Reflectance	4
Developmental Process of a Heterozooid: Avicularium Formation in a Bryozoan, Bugulina californica	4
Genetic Diversity of Ligidium Isopods in Hokkaido and Niigata, Northern Japan, Based on Mitochondrial DNA Analysis	4
Wettability and Substrate Selection in the Larval Settlement of the Solitary Ascidian Phallusia philippinensis (Phlebobranchia: Ascidiidae)	4
Nemertean Larval Dispersion Across Biogeographic Provinces of Southwest Atlantic	4
A New Species of Micryletta (Amphibia: Anura) from Sumatra, Indonesia	4
Gut Morphometry Represents Diet Preference to Indigestible Materials in the Largest Freshwater Fish, Mekong Giant Catfish (Pangasianodon gigas)	4
Epicatechin Alters the Activity of a Neuron Necessary for Long-Term Memory of Aerial Respiratory Behavior in Lymnaea stagnalis	4
Cryptic Speciation of the Oriental Greenfinch Chloris sinica on Oceanic Islands	3
Flexible Behavior of the Black-Tailed Godwit Limosa limosa is Key to Successful Refueling during Staging at Rice Paddy Fields in Midwestern Korea	3
Variation in Mating Behaviors Between a Tropical and a Temperate Species of Medaka Fishes	3
Kulikovia alborostrata and Kulikovia fulva comb. nov. (Nemertea: Heteronemertea) are Sister Species with Prezygotic Isolating Barriers	3
Transcriptomes of Giant Sea Anemones from Okinawa as a Tool for Understanding Their Phylogeny and Symbiotic Relationships with Anemonefish	3
First in Situ Observations of Behavior in Deep-Sea Tanaidacean Crustaceans	3
Ascending Visual Pathways to the Telencephalon in Teleosts with Special Focus on Forebrain Visual Centers, Associated Neural Circuitries, and Evolution	3
Molecular Phylogeny of the Subgenus Karstomys Reveals Genetic Signature of Post-Glacial Colonization of Apodemus mystacinus (Rodentia: Muridae) in the Zagros Mountains from Different Refugia	3
Hybridization of Two Species of Japanese Toads, Bufo torrenticola and Bufo japonicus formosus, in the Central Part of Japan	3
Species-Dependent Enhancement of Ovarian Cancer G Protein-Coupled Receptor 1 Activation by Ogerin	3
First Complete Mitochondrial Genome of a Tanaidacean Crustacean (Arctotanais alascensis)	3
Inbreeding between Deep-Sea Snailfishes Careproctus pellucidus and Careproctus rastrinus in the Northwestern Pacific Ocean	3
Cinusa nippon n. sp. (Isopoda: Cymothoidae) Parasitic in the Buccal Cavity of Coastal Puffers (Tetraodontiformes: Tetraodontidae) from Japan, with the First Specimen-Based Record of the Isopod Genus f	3
Differences of Extracellular Cues and Ca2+ Permeable Channels in the Signaling Pathways for Inducing Amphibian Sperm Motility	3
A Phylogenetically Distinct Group of Glandirana rugosa Found in Kyushu, Japan	3
Transcriptome Analysis Reveals the Alternative Splicing Changes in the Immune-Related Genes of the Giant Panda (Ailuropoda melanoleuca), in Response to the Canine Distemper Vaccine	3
A New Species of Small Water Strider in the Genus Microvelia (Hemiptera: Heteroptera: Veliidae) from Aichi Prefecture, Honshu, Japan	3
Phylogeographic Patterns in a Semi-Lithophilous Burrowing Scorpion, Opistophthalmus pallipes, from South Africa	3
A New Species of Pseudostrandesia Savatenalinton and Martens, 2009 (Ostracoda, Crustacea) Collected from Two Pet Shops in Central Japan: an Alien Species?	3
Dynamics of Laterality in Relation to the Predator–Prey Interaction between the Piscivorous Chub “Hasu” and Its Prey “Ayu” in Lake Biwa	3
Global Distribution and Variation of the Invasive Cheilostome Bryozoan Cribrilina mutabilis	3
Distribution and Genetic Divergence of Deep-Sea Hydrothermal Vent Copepods (Dirivultidae: Siphonostomatoida: Copepoda) in the Northwestern Pacific	3
Identification of Novel Proteins in Foam Nests of the Japanese Forest Green Tree Frog, Rhacophorus arboreus	3
ECM-Body: A Cell-Free 3D Biomimetic Scaffold Derived from Intact Planarian Body	3
Plain-Body Octopus's (Callistoctopus aspilosomatis) Learning about Objects via Both Visual and Tactile Sensory Inputs: A Pilot Study	2
Observations on Predation in Paranthura japonica Richardson, 1909 (Isopoda: Cymothoida: Paranthuridae)	2
Developmental Process of a Pronounced Laterality in the Scale-eating Cichlid Fish Perissodus microlepis in Lake Tanganyika	2
Fbxl4 Regulates the Photic Entrainment of Circadian Locomotor Rhythms in the Cricket Gryllus bimaculatus	2
CD34 is Expressed in Endothelial Cells in Embryonic Testes and is Additionally Expressed in Non-Endothelial Cells in Postnatal Mouse Testes	2
An Indirect Cost of Male-Male Aggression Arising from Female Response	2
Parasitism-Induced Intersexuality in a Sexually Dimorphic Varunid Crab, Ptychognathus ishii (Decapoda: Varunidae)	2
Additional Taxonomic Information for Lamproglena hemprichii (Copepoda: Lernaeidae) Based on Scanning Electron Microscopy and Genetic Characterization, Alongside Some Aspects of Its Ecology	2
The First Bopyrid Isopod from Hydrothermal Vents: Pleurocryptella shinkai sp. nov. (Isopoda: Epicaridea) Parasitizing Shinkaia crosnieri (Decapoda: Anomura)	2
Geographical Distribution and Genetic Diversity of Praesagittifera naikaiensis (Acoelomorpha) in the Seto Inland Sea, Japan	2

Responses of Leptinaria unilamellata (Gastropoda: Subulinidae) to Novel Micro-Environmental Conditions: Shift in Shell Morphology and the Balance between Protection against Desiccation and Reproductiv	2
Size Relationship of the Ectoparasite Tachaea chinensis in the Host Shrimp Palaemon paucidens From Shiga Prefecture, Japan	2
Genes Upregulated by Operant Conditioning of Escape Behavior in the Pond Snail Lymnaea stagnalis	2
How to Wear a Sandy Coat: Secretory Cells in the Dorsal Epidermis in the Sea Cucumber Holothuria atra (Echinodermata: Holothuroidea)	2
Steller Sea Lion (Eumetopias jubatus) at Tuleny Island, Russia in Autumn 2018: Abundance, Composition, and Entanglement	2
Reproductive Ability of Hybrids between Japanese Pond Turtle (Mauremys japonica) and Reeves' Pond Turtle (Mauremys reevesii)	2
Postulated Process of Axoneme Organization in the Male Gametogenesis of Malaria Parasite Plasmodium berghei	2
Phenotypic Plasticity of Salamander Hatchlings in the Pre-Feeding Stage in Response to Future Prey	2
Neural Control of Sexual Behavior in Fish	2
New Records of Azooxanthellate Scleractinian Corals (Cnidaria: Anthozoa) from Sagami Bay and Suruga Bay, Japan	2
Dynamics of Spermatogenesis and Change in Testicular Morphology under ‘Mating’ and ‘Non-Mating’ Conditions in Medaka (Oryzias latipes)	2
Cryptic Diversity in the Aphid-Parasitizing Wasp Protaphidius nawaii (Hymenoptera: Braconidae): Discovery of Two Attendant-Ant-Specific mtDNA Lineages	2
Observing Phylum-Level Metazoan Diversity by Environmental DNA Analysis at the Ushimado Area in the Seto Inland Sea	2
Immediate Early Gene Expression in Brain Regions Associated with the Social Behavioral Network After Male Competition in Medaka Fish	2
Effects of Pesticide Use on the Distributions of Grey Herons (Ardea cinerea) and Great Egrets (Ardea alba) in Rice Fields of the Republic of Korea	2
Molecular Phylogeny of Thoracotreme Crabs Including Nine Newly Determined Mitochondrial Genomes	2
Intraspecific Variation in the External and Skeletal Morphology of Hynobius setouchi Matsui, Okawa, Tanabe et Misawa, 2019 (Amphibia: Urodela: Hynobiidae)	2
Current Genetic Status of Nagaremon-charr, a Threatened Morphotype of Salvelinus leucomaenis in the Ane River, Lake Biwa System, Central Japan, With Comments on Its Conservation	2
Systematics of Calliophis intestinalis with the Resurrection of Calliophis nigrotaeniatus (Elapidae, Serpentes)	2
Segment-Dependent Gene Expression Profiling of the Cartilaginous Fish Nephron Using Laser Microdissection for Functional Characterization of Nephron at Segment Levels	2
The Fecal and Serum Metabolomics of Giant Pandas Based on Untargeted Metabolomics	2
A Taxonomic List of Sea Spiders (Arthropoda, Pycnogonida) from Japanese Waters	2
Developmental Staging of Sexual Egg Formation in Daphnia pulex: Unmated Females Resorb Meiotic Oocytes to Resist Starvation	2
Effects of Acclimation to Diluted Seawater on Metabolic and Growth Parameters of Underyearling Masu Salmon (Oncorhynchus masou)	2
Evidence for Introgressive Hybridization between Native Dolly Varden (Salvelinus curilus (syn. Salvelinus malma)) and Introduced Brook Trout (Salvelinus fontinalis) in the Nishibetsu River of Hokkaido	2
Expression Level Changes in Serotonin Transporter are Associated with Food Deprivation in the Pond Snail Lymnaea stagnalis	2
Zygotic nanos3 Mutant Medaka (Oryzias latipes) Displays Gradual Loss of Germ Cells and Precocious Spermatogenesis During Gonadal Development	2
Description of a New Brooding Species of Ophiodelos (Echinodermata: Ophiuroidea) from Japan	2
Sinking Down or Floating Up? Current State of Taxonomic Studies on Marine Invertebrates in Japan Inferred from the Number of New Species Published between the Years 2003 and 2020	2
A New Species of Acoela Possessing a Middorsal Appendage with a Possible Sensory Function	2
Beautiful Claws of a Tiny Water Bear: a Review and Proposal for Claw Configuration	1
Characterization of Localization, Ligand Binding, and pH-Dependent Conformational Changes of Two Chemosensory Proteins Expressed in the Antennae of the Japanese Carpenter Ant, Camponotus Japonicus	1
Embryonic Epidermal Lectins in Three Amphibian Species, Rana ornativentris, Bufo japonicus formosus, and Cynops pyrrhogaster	1
Unique Evolution of Hyla hallowellii Among Amphibians of the Central Ryukyus, Japan (Anura: Hylidae)	1
Theama japonica sp. nov., an Interstitial Polyclad Flatworm Showing a Wide Distribution along Japanese Coasts	1
Evaluation of Visual and Tactile Perception by Plain-Body Octopus (Callistoctopus aspilosomatis) of Prey-Like Objects	1
Description of Tubulanus misakiensis sp. nov. (Nemertea: Palaeonemertea) from Sagami Bay, Japan	1
Teratorn and Its Related Elements – a Novel Group of Herpesviruses Widespread in Teleost Genomes	1
Description of a New Species of Hua (Gastropoda: Semisulcospiridae) from Guizhou, China, Based on Morphology and Molecular Evidence	1
Topotype-Based Chromosomal Diversity among Five Species of Freshwater Armored Catfishes in the Hypostomus auroguttatus Supergroup (Actinopterygii: Siluriformes)	1
New Species of Lower-Shelf to Upper-Slope Ctenostome Bryozoans from Pacific Japan, with a Family Range Extension	1
A New Polychaete, Scolelepis (Parascolelepis) Brunnea sp. nov. (Annelida: Spionidae), from Korea	1
Gene Flow and Individual Relatedness Suggest Population Spatial Connectivity of Sinogastromyzon sichangensis (Cypriniformes: Balitoridae) in the Chishui River, China	1
Digenean Metacercariae Parasitic in a Staurozoan Cnidarian	1
Three Free-Living Marine Nematodes from Sagami Bay, Japan, with a Description of Wiesoncholaimus jambio sp. nov. (Nematoda: Oncholaimidae)	1
Circadian Rhythm and Endocrinological Control on the Swimming and Sand Burrowing Behaviors of Japanese Sand Lances Ammodytes spp. (Uranoscopiformes, Ammodytidae)	1
Functional Analysis of a Juvenile Hormone Inducible Transcription Factor, Krüppel homolog 1, in the Bean Bug, Riptortus pedestris	1
Food Habits of the Japanese Dormouse in the Yatsugatake Mountains, Japan	1
A New Species of Bisexual Milnesium (Eutardigrada: Apochela) Having Aberrant Claws from Innhovde, Dronning Maud Land, East Antarctica	1
Acetylcholine Inhibits Spontaneous Firing Activity of Terminal Nerve GnRH Neurons in Medaka	1
Analysis of the Mitochondrial Genomes of Japanese Wolf Specimens in the Siebold Collection, Leiden	1
Male Guppies Recognize Familiar Conspecific Males by Their Face	1
Histological and Molecular Characterization of the Inferior Olivary Nucleus and Climbing Fibers in the Goldfish, Carassius auratus	1
Delayed Postnatal Growth and Anterior Pituitary Development in Growth-Retarded (grt) Female Mice	1
Corrigenda	1
Taxonomic Accounts and Phylogenetic Positions of the Far East Asian Centipedes Scolopocryptops elegans and S. curtus (Chilopoda: Scolopendromorpha)	1
Host Size Selection in the Ectoparasite Tachaea chinensis (Isopoda: Corallanidae) under Laboratory Conditions	1
Gravitactic Swimming of the Planula Larva of the Coral Acropora: Characterization of Straightforward Vertical Swimming	1
Molecular Characterization and Tissue Distribution of Calcineurin Regulatory B Subunit during the Prevention of Diapause in the Silkworm, Bombyx mori	1
Comparative Analysis of the Umami Taste Receptor Gene Tas1r1 in Mustelidae	1
Description of a New Species of Sulcospira (Gastropoda: Pachychilidae) From Guangxi, China Based on Morphology and Molecular Evidence	1
Molecular Species Delimitation of the Genus Reishia (Mollusca: Gastropoda) along the Coasts of China and Korea	1
Tima nigroannulata (Cnidaria: Hydrozoa: Eirenidae), a New Species of Hydrozoan from Japan	1
Germ Cell Development in Male Perinereis nuntia and Gamete Spawning Mechanisms in Males and Females	1
Clock Gene Expression in the Eye Exhibits Circadian Oscillation and Light Responsiveness but is Not Necessary for Nocturnal Locomotor Activity of Japanese Loach, Misgurnus anguillicaudatus	1
The Phylogenetic Position of Branchamphinome (Annelida, Amphinomidae) with a Description of a New Species from the North Pacific Ocean	1
At-Sea Habitat Use of Rhinoceros Auklets Breeding in the Shelf Region of Eastern Hokkaido	1
Sex-Inducing Activities of the Land Planarian Bipalium nobile Extract Fractions, Obtained Using Bioassay-Guided Fractionation, in the Freshwater Planarian Dugesia ryukyuensis	1
Periodic Stretching of Cultured Myotubes Enhances Myofibril Assembly	1
Sperm Allocation Strategies Depending on Female Quality in Medaka (Oryzias latipes)	1
Time-Comparator Neural Circuits of Gymnotiform Electric Fishes	1
Expression of Genes Involved in Offensive and Defensive Phenotype Induction in the Pituitary Gland of the Hokkaido Salamander (Hynobius retardatus)	1
Isolation and Characterization of Feeding-Deficient Strains in Inbred Lines of the Hydrozoan Jellyfish Cladonema pacificum	1
Ceratosomicola oki n. sp., a New Species of Copepod (Cyclopoida: Splanchnotrophidae) Parasitic on the Chromodoridid Nudibranch Glossodoris misakinosibogae Baba, 1988 Off the Oki Islands, Japan, with M	1
Population Dynamics of Lancelet Branchiostoma japonicum in the Seto Inland Sea, Japan	1
Comparison of Genetic Structure between Endangered and Common Butterflies, Ypthima multistriata and Y. argus (Lepidoptera; Nymphalidae), Inhabiting Japan	1
Morphological Analysis of the Olfactory System of the Pig-Nosed Turtle, Carettochelys insculpta	1
A Relaxin-Like Gonad-Stimulating Peptide Appears in the Early Development of the Starfish Patiria pectinifera	1
The Germline Marker Piwi Expressed in the Skin Layer of the Polychaete Perinereis wilsoni After Injury	1
Programmed Scale Detachment in the Wing of the Pellucid Hawk Moth, Cephonodes hylas: Novel Scale Morphology, Scale Detachment Mechanism, and Wing Transparency	1

Genetic Variation in Y-Chromosome Genes of Sika Deer (Cervus nippon) in Japan	1
Changes in the Hepatic Expression of Three Vitellogenin Subtype Genes During Ovarian Development in Female White-Edged Rockfish (Sebastes taczanowskii)	1
A New Species of the Genus Pseudocrangonyx (Crustacea: Amphipoda: Pseudocrangonyctidae) from Yonaguni Island, Southwestern Japan, and Historical Biogeographic Insights of Pseudocrangonyctids	1
Region-Specific Loss of Two-Headed Ciliary Dyneins in Ascidian Endostyle	1
First Record of Elasmobranch Hosts for the Gnathiid Isopod Crustacean Thaumastognathia: Description of Thaumastognathia bicorniger sp. nov.	1
Wnt4a Is Indispensable for Genital Duct Elongation but Not for Gonadal Sex Differentiation in the Medaka, Oryzias latipes	1
Transcriptome Analysis in a Scleractinian Coral, Acropora tenuis, during the Spawning Season With Reference to the Gonadal Condition	1
Effects of Calyculin a on the Motility and Protein Phosphorylation in Frozen-Thawed Bull Spermatozoa	1
Satellite Tracking of Migration Routes of the Eastern Buzzard (Buteo japonicus) in Japan through Sakhalin	1
To Mob or Not to Mob: Habitat and Time of Day Influence in Mobbing Behavior in the Azure-Winged Magpie (Cyanopica cookii)	1