Biogeography

・Kazuya Nagasawa, Masato Nitta, Daisuke Kishi & Takanori Ishikawa

　Three further records of a skin parasite Argulus coregoni (Crustacea: Branchiura: Argulidae) from dark chub Nipponocypris temminckii (Cypriniformes: Xenocyprididae) in Japan. 1–6. DOI

・Takumi Kurihara, Yukiya Ogata & Atsunobu Murase

　Southernmost specimen-based records of the Ishikawa Icefish Neosalangichthys ishikawae from Miyazaki Prefecture, Japan. 7–12. DOI

・Kazuya Nagasawa, Yuito Kunihiro & Yusuke Kamio

　Argulus coregoni (Crustacea: Branchiura: Argulidae) parasitic on upstream fat minnow Rhynchocypris oxycephala jouyi (Cypriniform: Leuciscidae) in a mountain stream in central Japan. 13–17. DOI

・Ren Yamaguchi, Hiroshi Senou & Hiromitsu Endo

　Rediscovery and comments on validity of Pseudoblennius totomius Jordan & Starks, 1904 (Teleostei: Cottidae). 18–27. DOI

・Natsuki Hirakizawa & Takeo Yamauchi

　New distributional records of Kopidoiulus longus (Diplopoda: Julida: Mongoliulidae), including low altitude regions. 1–4. DOI

・Eishiro Hata & Hiroyuki Motomura

　Expanded distribution of the Hyuga Fanray Platyrhina hyugaensis Iwatsuki, Miyamoto & Nakaya, 2011 (Platyrhinidae) off Shanghai, China. 5–8. DOI

・Yusuke Miyazaki, Atsunobu Murase & Hiroshi Senou

　Mining internet-based biodiversity data for application to conservation science. 9–19. DOI

・Yuya Kobayashi & Satoshi Awata

　Is anemonefish also a cleaner? First report of cleaning behavior in a juvenile Clark's Anemonefish Amphiprion clarkii. 20–24. DOI

・Roxanne Cabebe-Barnuevo & Hiroyuki Motomura

　Northern distribution limit of Parascorpaena poseidon Chou & Liao, 2022 (Scorpaeniformes: Scorpaenidae) extended to mainland Kagoshima, Japan, with notes on morphological variation. 25–32. DOI

・Kazuya Nishida, Noriyuki Koizumi, Akiko Minagawa, Atsushi Mori, Keiji Watabe & Takeshi Takemura

　Phylogeographic pattern of Rhynchocypris lagowskii (Actinopterygii: Cypriniformes) with evidence of large-scale introduction in Japan, revealed by mitochondrial DNA D-loop analysis. 33–41. DOI

・Ryusei Furuhashi & Hiroyuki Motomura

　First Southern Hemisphere records of Saurida umeyoshii Inoue & Nakabo, 2006 (Aulopiformes: Synodontidae) from western Indonesia. 42–46. DOI

・Shintaro Hashimoto & Hiroyuki Motomura

　First Japanese records of Priacanthus alalaua (Perciformes: Priacanthidae) from the Ryukyu Islands. 47–51. DOI

・Yoshihiro Tsuno & Hiromitsu Endo

　First records of Physiculus megastomus Tang, 2021 (Gadiformes: Moridae) from Japan. 52–57. DOI

・Makoto Tubuki, Hidemori Yazaki & Fumio Hayashi

　Possible aposematic mimicry among three species of lepidopteran larvae with a red tip and repeated black and white bands. 58–75. DOI

・Kenta Kuriyama, Reo Koreeda, Ying Giat Seah & Hiroyuki Motomura

　First specimen-based records of the Bamboo Sole Heteromycteris japonicus (Temminck & Schlegel, 1846) (Pleuronectiformes: Soleidae) from Malaysia. 76–80. DOI

・Seiya Kanai & Hiroyuki Motomura

　Northernmost record of Zenarchopterus dispar (Valenciennes, 1847) (Beloniformes: Zenarchopteridae) from Miyazaki Prefecture, Kyushu, Japan. 81–85. DOI

・Kôji Sasakawa & Shigenori Inoue

　A new distribution record and redescription of the male genital morphology of the subterranean ground beetle Trechiama hiroyukii Uéno, 2001 (Coleoptera: Carabidae). 93–95. DOI

・Takashi Yamaguchi, Katsuyuki Hamasaki & Shigeki Dan

　Survival and feeding of the red swamp crayfish Procambarus clarkii (Decapoda: Astacidea: Cambaridae) under low-temperature conditions. 96–101. DOI

・Keigo Takahashi

　Observation of interspecific amplexus behavior between Pelophylax porosus porosus (Anura: Ranidae) and domestic introduced frog, Fejervarya kawamurai (Anura: Dicroglossidae). 1–4. DOI

・Shinnosuke Kobayashi, Katsuyuki Hamasaki & Shigeki Dan

　Upper temperature and salinity tolerance of six freshwater shrimp species in the genera Caridina and Paratya (Decapoda: Caridea: Atyidae). 5–12. DOI

・Takehiko Hiwatari

　First observations of the precopulatory and copulatory behaviors of Ptilohyale barbicornis (Amphipoda: Senticaudata: Hyalidae): notes on reproductive strategies. 13–16. DOI

・Roxanne Cabebe-Barnuevo & Hiroyuki Motomura

　Recently published Red Sea record of Parascorpaena mossambica (Peters, 1855) (Teleostei: Scorpaenidae) based on misidentification of Sebastapistes strongia (Cuvier, 1829). 17–20. DOI

・Sho Toshino, Ryo Minemizu & Suzuka Kaneshiro

　New record of a hydromedusa Wuvula ochracea (Hydrozoa: Leptothecata) from Japan. 21–24. DOI

・Harutaka Hata & Hiroyuki Motomura

　Material evidence of Stolephorus mercurius (Teleostei: Clupeiformes: Engraulidae) from Sri Lanka, with a key to Sri Lankan species of Stolephorus. 25–28. DOI

・Kazuya Nagasawa & Akira Obata

　Yellow grouper Epinephelus awoara (Perciformes: Epinephelidae) as a new host of Ceratothoa oxyrrhynchaena (Isopoda: Cymothoidae), with a list of the known hosts and collection localities of the isopod in Japan (1878–2024). 29–33. DOI

・Yukiya Ogata, Toshiki Kishi, Yumika Kishi & Atsunobu Murase

　Northernmost record of Cirripectes quagga (Actinopterygii: Blenniidae) from Kadogawa Bay, northern Miyazaki Prefecture, southern Japan. 34–38. DOI

・Ayumi Bandai, Harutaka Hata & Kunto Wibowo

　First specimen-based Indonesian record of the Bandtail Goatfish Upeneus taeniopterus (Actinopterygii: Mullidae), from Buru Island, Moluccas. 39–42. DOI

・Yusuke Yamana & Isao Hirabayashi

　First records of two sea cucumbers of the genus Labidodemas (Holothuriidae) from Japan. 43–49. DOI

・Yoichi Kogure

　A new species of pseudarchasterid sea star Perissogonaster multispinus (Echinodermata: Asteroidea) from Japan. 50–54. DOI

・Yasuhiro Fujioka, Tsuyoshi Yoshioka & Atsuhiko Ide

　Density and maturity size of Utsusemi-kazika Cottus reinii (Cottidae) in the middle course of the Ado River flowing into Lake Biwa, central Japan. 55–64. DOI

・Hiroto Nagai & Hideyuki Imai

　Significant changes in fauna of the land-locked freshwater shrimp genus Neocaridina (Decapoda: Atyidae) in Japan over the past 15 years due to introduction of invasive alien species. 65–74. DOI

・Hisanori Kohtsuka, Shouzo Ogiso & Masanori Okanishi

　First record of the regular sea urchin Parasalenia gratiosa (Echinodermata: Echinoidea: Parasaleniidae) from shallow-water of Noto, Ishikawa, the Sea of Japan. 75–77. DOI

・Masato Nitta

　New geographical and host records of Henneguya rhinogobii (Cnidaria: Myxobolidae) parasitic in gill filaments of Rhinogobius species (Teleostei: Gobiidae) in Japan. 78–83. DOI

・Hisanori Kohtsuka, Kazuhiko Yamada, Itaru Kobayashi & Yoichi Kogure

　The northernmost distribution record of Protoreaster nodosus (Echinodermata, Asteroidea) from Sagami Bay, Japan. 84–87. DOI

・Takeo Yamauchi, Kyohei Watanabe & Kohei Koyama

　Identification of Halictidae sp. (Hymenoptera) visited Cardiocrinum cordatum flower (Liliaceae) recorded in Komamura et al. (2021). 88–89. DOI

・Kôji Sasakawa & Hirotaô Itô

　New records and sympatric occurrence of Nebria niohozana Bates, 1883 and Nebria kasasugaensis Sasakawa & Itô, 2021 (Coleoptera: Carabidae). 1–3. DOI

・Kenta Murasaki, Ryo Misawa, Yoji Narimatsu & Yoshiaki Kai

　Range extension records for three species of snailfish (Teleostei: Liparidae). 4–9. DOI

・Kazuma Nakano

　Hydrichthys sp. (Anthoathecata: Hydractiniidae), a hydroid attach on a larva butterflyfish from Miura Peninsula in Japan. 10–12. DOI

・Yoichi Kogure, Akihito Omori & Yoshihisa Fujita

　Taxonomic status of the oreasterid sea star Bothriaster primigenius Döderlein, 1916 (Echinodermata, Asteroidea). 13–18. DOI

・Kazuya Nagasawa, Masato Nitta & Koichiro Kawai

　First specimen-based record of Argulus japonicus (Branchiura: Argulidae), an ectoparasite of freshwater fishes, from Okayama Prefecture, western Japan. 19–21. DOI

・Yukiya Ogata & Atsunobu Murase

　Record of the Leopard Whipray Himantura leoparda (Chondrichthyes: Myliobatiformes) from Kadogawa Bay, northern Miyazaki Prefecture, Japan. 22–27. DOI

・Hisanori Kohtsuka & Masanori Okanishi

　The Northernmost Distribution Record of Basket star, Astroglymma sculptum (Echinodermata, Ophiuroidea, Euryalida) from Sagami Bay. 28–31. DOI

・Hisanori Kohtsuka, Tomomi Oya, So Abe & Masanori Okanishi

　Northernmost distribution record of feather star, Comaster nobilis (Echinodermata, Crinoidea, Comatulida) based on the newly found specimen from Sagami Bay. 32–35. DOI

・Kazunari Takahashi

　Biogeographical assessment of myxomycete diversity on litter twigs of cherry blossom trees in Japan. 36–44. DOI

・Kazuya Nishida, Noriyuki Koizumi, Akito Minagawa, Atsushi Mori, Keiji Watabe & Takeshi Takemura

　Genetic evidence of the native easternmost distribution limit of Rhynchocypris oxycephala (Actinopterygii: Cypriniformes) and its introduction to rivers in eastern Japan, based on mitochondrial DNA D-loop analysis. 45–54. DOI

・Hisanori Kohtsuka, Kota Kitazawa, Tatsuo Oji & Ichizo Kogo

　A deep-water comatulid, Chondrometra rugosa A. H. Clark, 1918 (Echinodermata, Crinoidea, Comatulida, Charitometridae), first record from Japan. 1–4. DOI

・Hisanori Kohtsuka & Hayate Tanaka

　Pedinidae sea urchin, Caenopedina pulchella (Echinodermata, Echinoidea), newly recorded from Japanese waters. 5–8. DOI

・Atsushi Tanabe, Tomoko Minagawa & Akihiko Koyama

　Selection of tidal rivers for estuarine waterbird diversity conservation in Japan using the National Censuses on River Environments data. 9–24. DOI

・Ryota Hasegawa & Masato Nitta

　Rediscovery of Lernaeenicus ramosus Kirtisinghe, 1956 (Copepoda: Pennellidae) parasitizing the type host, comet grouper Epinephelus morrhua (Perciformes: Serranidae) from the Japanese coast, with a note on its underdeveloped head. 25–31. DOI

・Takaya Kitamura, Yui Shigematsu, Toshiharu Iwai, Chiemi Miura & Takeshi Miura

　The spawning season of Drupella fragum in southwestern Shikoku. 32–38. DOI

・Gen Ito & Yasunori Koya

　Phylogeographic structure of an endemic lineage of the eight-barbel loach Lefua echigonia around the Suzuka and Yoro Mountains, central Honshu, Japan. 39–45. DOI

・Kenji Sakamoto, Ryunosuke Takehara, Haruka Daikai & Daiki Noguchi

　Fish fauna at Innoshima Island (Seto Inland Sea) detected by the MiFish method of environmental DNA metabarcoding. 46–52. DOI

・Yoshihiro B. Akiyama & Takeshi Yuhara

　Rediscovery of the threatened gastropod Batillaria multiformis (Batillariidae) on the intertidal flat in the Edogawa Drainage Canal 27 years after the last observation. 53–63. DOI

・Sho Toshino, Hisashi Akiyama, Kei Okayama, Yuichi Nozoe, Hinako Yamaguchi & Akihiro Kawakubo

　New record of Cunina simplex (Hydrozoa, Trachylinae) from Japan. 64–69. DOI

・Kazunari Takahashi, Mina Fukushima, Yukimi Arayama, Mio Matsuda, Yuri Kidachi & Fukuto Tanaka

　Biodiversity of myxomycetes on litter twigs of different trees from forests of western Japan. 70–78. DOI

・Jun-ichi Naito & Chiaki Kambayashi

　Distribution pattern of Shikoku Clawed Salamander, Onychodactylus kinneburi, in the Western Chugoku Mountains. 79–83. DOI

・Junji Okuno

　Additional record of a bizarre crab, Oxypleurodon bidens (Sakai, 1969) (Crustacea: Decapoda: Epialtidae) from off Katsuura, Boso Peninsula, Japan. 84–86. DOI

・Kôji Sasakawa

　Notes on the distribution of the endangered ground beetle Pterostichus isumiensis Kasahara & Saito, 1997 (Coleoptera: Carabidae). 87–88. DOI

・Keigo Takahashi & Hirohiko Takeuchi

　Estimating the life history of invasive frog species Fejervarya kawamurai using body size data. 89–94. DOI

・Tomoo Yoshino & Mitsuhiko Asakawa

　First record of the chewing louse Turdinirmoides vasjukovae (Mey, 2016) (Ischnocera: Philopteridae) from Japan. 95–97. DOI

・Harutaka Hata, Kenji Odani & Masanori Nakae

　Northernmost record of the snake-eel Ophichthus zophistius (Teleostei: Anguilliformes: Ophichthidae) from Mutsu Bay, Aomori Prefecture, northern Japan. 98–101. DOI

・Yoichi Kogure & Isao Hirabayashi

　First record of two tropical sea star species from the Kii Peninsula, southern Honshu Island, Japan. 102–105. DOI

・Kazuya Nagasawa & Sho Shirakashi

　Crescent sweetlips Plectorhinchus cinctus (Teleostei: Haemulidae), a new host for a marine fish parasite Argulus matuii (Branchiura: Argulidae). 106–108. DOI

・Yoichi Kogure, Hiroki Yamauchi & Hisanori Kohtsuka

　Asterodiscidid sea star, Asterodiscides elegans (Echinodermata, Asteroidea), newly recorded from Japanese waters. 1–5. DOI

・Uchu Yamakawa, Hiroshi Senou & Yoshiaki Tsuda

　Northernmost record of Eleotris oxycephala (Gobioidei: Eleotridae) based on a juvenile specimen from Akita Prefecture in northern Japan: range extension along the Sea of Japan coastline

. 6–12. DOI

・Mamoru Terayama

　A New Species of the Genus Laelius Ashmead from the Ryukyus, Japan (Hymenoptera: Bethylidae). 13–14. DOI

・Kazuya Nagasawa, Hikaru Nakano & Ryoseuke Ichikawa

　Further record of Pontobdella macrothela (Hirudinida: Piscicolidae), an ectoparasite of elasmobranchs, from Japan, with an updated list of its hosts and collection localities in Japan. 15–21. DOI

・Tomoo Yoshino & Mitsuhiko Asakawa

　First record of chewing lice Brueelia pyrrhularum Eichler, 1954 (Ischnocera: Philopteridae) on an Eurasian bullfinch, Pyrrhula pyrrhula L in Kushiro, Hokkaido, Japan. 22–24. DOI

・Harutaka Hata & Masanori Nakae

　First record of the lizardfish Synodus kaianus (Teleostei: Aulopiformes: Synodontidae) from Suruga Bay, Japan. 25–29. DOI

・Kôji Sasakawa & Hirotaô Itô

　A new species and distribution record of the ground beetle subgenus Falcinebria Ledoux & Roux, 2005 (Coleoptera: Carabidae: Nebria) from central Honshu, Japan. 30–32. DOI

・Sho Toshino & Mina Iwai

　New record of Eucodonium crassonemalis (Hydrozoa, Anthoathecata) from Japan. 33–36. DOI

・Harutaka Hata & Hiroyuki Motomura

　Records of Sphyraena iburiensis (Teleostei: Perciformes: Sphyraenidae) from Taiwan. 37–39. DOI

・Sho Toshino & Tatsuki Koido

　New record of Coeloplana bannwarthi (Tentaculata, Platyctenida) from Japan. 40–45. DOI

・Yasuhiro Fujioka, Yuko Kido & Makoto Uenishi

　Sexual Maturation and Spawning of Cottus reinii (Pisces: Cottidae) in the Chinai River around Lake Biwa, Central Japan. 46–51. DOI

・Kazunari Takahashi & Takanori Yano

　Distribution pattern of Myxomycetes on the Bark of Living Cryptomeria japonica Trees Surrounding Mt. Fuji, Japan. 52–61. DOI

・Mayu Kuriyama, Hiroshi Miyake, Sho Toshino & Shin Kubota

　First record of an immortal jellyfish, Turritopsis dohrnii (Weismann, 1883) from Tanabe Bay, Wakayama, Japan. 62–66. DOI

・Hisanori Kohtsuka & Masanori Okanishi

　Morphological changes associated with the growth of feather star Clarkcomanthus exilis (Echinodermata, Crinoidea). 67–73. DOI

・Yasuhiro Fujioka & Yuko Kido

　Upstream migration of Cottus reinii (Cottidae) from Lake Biwa to the Ado River, central Japan, in spring and early summer. 74–79. DOI

・Masahiro Naka & Masato Nitta

　New host and locality records of Gyrodactylus rarus (Monogenea: Gyrodactylidae) from Pungitius tymensis (Gasterosteidae) in Hokkaido, Japan. 80–87. DOI

・Hiroshi Miyake & Koji Kiyosugi

　Discovery of vestimentiferan tube worms from the Kikai Caldera off Satsuma Peninsula, Kagoshima, Japan. 1–5. DOI

・Yusuke Katanoda, Takayuki Nakashima, Kiyonori Tomiyama, Takahiro Aasami, Shino Ichikawa & Ampon Wiwegweaw

　The origin of Semisulcospira libertina (Gould, 1859) (Gastropoda; Pleuroceridae) distribution in Take-shima, Northern Ryukyu Islands, Japan as established by a gigantic volcanic explosion approximately 7,300 years ago, based on a DNA analysis. 6–8. DOI

・Shotaro Ohgita & Mizuki Matsunuma

　Morphological comparisons of Lefua costata (Teleostei: Nemacheilidae), L. pleskei and L. nikkonis, with notes on morphological variations in L. costata introduced to Japan. 9–15. DOI

・Shuya Kato & Uchu Yamakawa

　First record of an anchor worm Lernaea cyprinacea on a tropical abortively migrating fish, Lutjanus argentimaculatus, in eastern Japan. 16–20. DOI

・Ifue Fukuchi & Katsunori Tachihara

　Northernmost record of half-fringelip mullet, Crenimugil heterocheilos (Bleeker, 1885) (Teleostei: Mugilidae), from the Okinawa-jima Island, Ryukyu Archipelago, southern Japan. 21–25. DOI

・Kensuke Iwamoto, Chih-Wei Chang & Hideyuki Imai

　Spatial genetic structuring and demographic history of the little spinefoot Siganus spinus in the Western Pacific. 26–34. DOI

・Kazunari Takahashi, Yuya Yamasaki, Kotaro Minami & Naoyuki Yabuki

　Biogeographical Assessment of Corticolous Myxomycetes on the Living Tree Bark of Cryptomeria japonica in a Region of Western Japan. 35–42. DOI

・Haruki Takayanagi

　Influence of a ground surface thermal gradient on the coverage area of the staghorn clubmoss Lycopodiella cernua in Ohyu Onsen, Oku-Oyasukyo, Yuzawa City, Akita, Japan. 43–46. DOI

・Tomoo Yoshino & Mitsuhiko Asakura

　Ornithomya fringillina (Diptera: Hippoboscidae) collected from a goldcrest, Regulus regulus in Kushiro, Hokkaido, Japan. 47–48. DOI

・Yukio Hanamura, Aloun Kounthongbang, Phonenaphet Chanthasone, Phoutsamone Phommachan & Tomoyuki Okustu

　Further record of the little-known freshwater prawn Macrobrachium dolatum Cai & Ng, 2004 (Crustacea, Decapoda, Palaemonidae) from Laos. 49–52. DOI

・Hisanori Kohtsuka, Hiroki Yamauchi, Tetsuya Kato & Yoichi Kogure

　New distributional records of three species of sea stars (Echinodermata, Asteroidea) from the coast of the Kii Peninsula, Japan. 53–57. DOI

・Hisanori Kohtsuka, Hirokazu Yamada, Kazuhiko Yamada & Yoichi Kogure

　The Northernmost Distribution Record of Pentaceraster alveolatus (Echinodermata, Asteroidea) from Sagami Bay, Japan. 58–60. DOI

・Tomohiro Yoshida, Kaoru Kuriiwa & Hiroyuki Motomura

　Second Japanese record of the Confused Podge Pseudogramma brederi (Perciformes: Serranidae) from the Volcano Islands. 61–64. DOI

・Etsuro Sawai & Itsumi Nakamura

　New locality record of the bump-head sunfish Mola alexandrini (Tetraodontiformes: Molidae) from Nagasaki Prefecture, western Japan. 65–67. DOI

・Kôji Sasakawa

　First description of the endophallus morphology of male genitalia in the Hypherpes complex of the genus Pterostichus Bonelli, 1810 (Coleoptera: Carabidae). 68–70. DOI

・Kôji Sasakawa

　Note on the distribution of ground beetles in Trephionus Bates, 1883 (Coleoptera: Carabidae) in central Honshu, Japan.71–72. DOI

・Yuya Kobayashi, Atsunobu Murase, Masaaki Wada, Harutaka Hata, Ryohei Miki & Hiroshi Senou

　Voucher-based record of a tropical engraulid fish, Encrasicholina pseudoheteroloba (Teleostei: Clupeiforms), from the temperate northwestern Pacific. 1–5. DOI

・Kouki Kanou, Masahiro Horinouchi, Prasert Tongnunui, Koetsu Kon & Mitsuhiko Sano

　Morphological development and occurrence patterns of larval and juvenile halfbeaks, Zenarchopterus spp., associated with mangrove flotsam in a shallow coastal area, Trang, southern Thailand. 6–11. DOI

・Masamichi T. Ito, Sayaka Satoh, Motohiro Hasegawa, Kazuto Kawakami & Yukio Minamiya

　A new record of the exotic earthworm species Pithemera bicincta (Perrier, 1875) (Annelida: Clitellata: Megascolecidae) from Japan. 12–16. DOI

・Masato Nitta & Takanori Ishikawa

　Metacercariae of Clinostomum complanatum (Platyhelminthes: Trematoda: Clinostomidae), a parasite of the northern medaka, Oryzias sakaizumii (Beloniformes: Adrianichthyidae), from Yamagata Prefecture, Japan. 17–21. DOI

・Sadaharu Morinaka, Erniwati, Nobuhiro Minaka & Tadashi Miyata

　Unpalatability of Delias butterflies (Lepidoptera: Pieridae) in the highlands of New Guinea: between-species variation in unpalatability. 22–26. DOI

・Etsuro Sawai, Yusuke Hibino & Tomoki Iwasaki

　A rare river stranding record of sharptail sunfish Masturus lanceolatus in Fukuoka Prefecture, Japan. 27–30. DOI

・Hiroshi Miyake, Ayaka Oda, Shigeki Wada, Tomomi Kodaka & Shingo Kurosawa

　First record of a shallow hydrothermal vent crab, Xenograpsus testudinatus, from Shikine-jima Island in the Izu archipelago. 31–36. DOI

・Tomoaki Goto & Yuki Oba

　A record of utilization as a spawning bed for the invasive ascidian Ascidiella aspersa (Müller, 1776) newly introduced in the Pacific coast of northeastern Japan. 37–42. DOI

・Harutaka Hata & Yoshiaki Kai

　First specimen-based records of the fusilier Pterocaesio marri (Perciformes: Caesionidae) from the Sea of Japan. 43–47. DOI

・Teruaki Nishikawa, Shin'ichi Sato, Yuichi Hayami, Suhendar I Sachoemar & Agus Sudaryanto

　Occurrence of the Indo-West Pacific echiuran Listriolobus brevirostris (Annelida: Echiura) in Jakarta Bay, Indonesia, likely due to human-mediated introduction. 48–50. DOI

・Kazuya Nagasawa, Takanori Ishikawa & Yasuyuki Gôma

　New record of a freshwater fish parasite Argulus coregoni (Branchiura: Argulidae) from Akita Prefecture, northern Honshu, Japan. 51–53. DOI

・Kôji Sasakawa & Hirotarô Itô

　Notes on the distribution of Nebria (Sadonebria) saeviens Bates, 1883 (Coleoptera: Carabidae). 54–55. DOI

・Tomohiro Yoshida & Hiroyuki Motomura

　First record of a rare cardinalfish Apogon tricinctus (Perciformes: Apogonidae) from Indonesia. 56–59. DOI

・Mamoru Terayama

　A New Species of the Genus Methocha Latreille from Japan (Hymenoptera: Thynnidae). 60–62. DOI

・Yoichi Kogure & Atsushi Kaneko

　Occurrence records of a sea star, Ogmaster capella (Echinodermata, Asteroidea, Goniasteridae), a rarely encountered species in Japanese waters. 63–65. DOI

・Kunto Wibowo, Shigeru Harazaki, Keita Koeda & Hiroyuki Motomura

　Variations in caudal-fin base spots in Abudefduf caudobimaculatus (Perciformes: Pomacentridae) and notes on distribution range extensions. 1–5. DOI

・Hiroaki Kaneko, Shin-ichi Ishiwata, Yi-Chang Liao & Takeji Takamura-Enya

　The genetic diversities and phylogenetic relationships of two genera, Ecdyonurus and Afronurus, of Heptageniidae (Ephemeroptera) in the Yaeyama Islands and Taiwan. 6–20. DOI

・Shunsuke Fujiwara, Katsuyuki Hamasaki, Shugeki Dan & Shuichi Kitada

　Settlement behaviour of the early megalopae of the land hermit crab Coenobita violascens (Decapoda: Coenobitidae) under laboratory conditions: Effects of inshore odours and salinity. 21–33. DOI

・Mitsuhiko Asakawa & Hideo Hasegawa

　Redescription of Heligmonoides vladimiri Sadovskaja, 1952 (Nematoda: Heligmonellidae: Nippostrongylinae) parasitic in the striped field mouse, Apodemus agrarius (Rodentia: Muridae), of the Far East. 34–40. DOI

・Hidenori Kohtsuka, Yasutaka Tsuchiya & Hiroaki Nakano

　First report of live Balanometra balanoides (Echinodermata: Crinoidea), with observations on its coloration, collected from the Sagami Sea. 41–44. DOI

・Tomoaki Goto, Airi Takanashi & Shuji Watanabe

　A record of the largest specimen of a rare roughy species, Hoplostethus crassispinus (Teleostei: Trachichthyidae), from off Sanriku, Pacific coast of northern Japan. 45–50. DOI

・Etsuro Sawai, Yusuke Yamanoue, Takayuki Sonoyama, Keisuke Ogimoto & Marianne Nyegaard

　A new record of the bump-head sunfish Mola alexandrini (Tetraodontiformes: Molidae) from Yamaguchi Prefecture, western Honshu, Japan. 51–54. DOI

・Tomoki Seo, Yuki Tashima & Jean Tanangonan

　DNA barcoding of the freshwater mussel, genus Inversiunio and Pronodularia japanensis (Bivalvia, Unionidae) and exploration for new diagnostic characters based on soft body morphology. 55–61. DOI

・Ryohei Miki & Masaaki Wada

　First Japanese records of the barracuda Sphyraena jello (Teleostei: Sphyraenidae). 62–66. DOI

・Keiji Iwasaki

　Nonindigenous marine invertebrates on four populated islands in the Sea of Japan. 67–72. DOI

・Etsuro Sawai & Yung Chou Chang

　A rare record of the bump-head sunfish, Mola alexandrini (Tetraodontiformes: Molidae) with a 117 kg ovary from Hualien, Taiwan. 73–77. DOI

・Harutaka Hata & Hiroyuki Motomura

　Additional specimens of the poorly known anchovy Stolephorus multibranchus (Clupeiformes: Engraulidae) from Kosrae, Caroline Islands. 78–84. DOI

・Mitsuko Akagi, Kouki Kanou & Hiroshi Kohno

　Habitat use and feeding ecology of early larvae of the gobiids, Rhinogobius kurodai and Tridentiger brevispinis, in an urban pond in Tokyo, Japan. 85–95. DOI

・Naoko Ito, Ryo O. Gotoh, Takuya Shirakuma, Yasuo Araki & Naoto Hanzawa

　Genetic structure of glacial-relict populations of a freshwater sculpin, Cottus nozawae, in Yamagata area of the Tohoku district. 96–102. DOI

・Tadashi Imai, Kazuki Hayashi, Masayuki Nakaso, Seinen Chow, Kenji Nohara & Takakiyo Oonuki

　Discrimination of two freshwater shrimps, Palaemon paucidens De Haan, 1844 and P. sinensis (Sollaud, 1911) using plumose setae of telson and appendix masculina. 103–110. DOI

・Shunsuke Fujikawa, Katsuyuki Hamasaki, Shigeki Dan & Shuichi Kitada

　Emigration behaviour, moulting and survival during the sea-to-land transition of land hermit crabs Coenobita violascens and Coenobita rugosus under laboratory conditions: Effects of salinity and riverine odours. 111–121. DOI

・Kazuya Nagasawa, Masato Nitta & Koichiro Kawai

　Argulus japonicus (Branchiura: Argulidae) parasitic on a lakeweed chub, Ischikauia steenackeri (Cyprinidae), in northern Kyushu, Japan. 122–124. DOI

・Kazuya Nagasawa, Manabu Morikawa & Tsuyoshi Yoshioka

　Argulus coregoni (Branchiura: Argulidae) parasitic on ayu, Plecoglossus altivelis altivelis (Plecoglossidae), in central Honshu, Japan. 125–127. DOI

・Kazuki Kanno, Akihiko Koyama & Yoshihisa Kurita

　First record of the brachiopod Lingula reevei (Brachiopoda, Lingulidae) from the Sea of Japan. 128–130. DOI

・Teruaki Nishikawa & Hiroshi Namikawa

　Earliest Japanese record of the invasive European ascidian Clavelina lepadiformis complex (Urochordata: Ascidiacea). 131–132. DOI

・Akihiko Koyama & Norio Onikura

　First record of the varunid crab Parapyxidognathus deianira from the coast of the Sea of Japan. 133–136. DOI

・Kôji Sasakawa & Hirotarô Itô

　The northernmost record of the ground beetle Pterostichus macrogenys Bates, 1883 (Coleoptera: Carabidae). 137–139. DOI