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List of works by Kazuya Nagasawa

A New Species of the Enigmatic Copepod Genus Lernaeascus (Cyclopoida: Philichthyidae), Parasitic on Angelfishes (Actinopterygii: Pomacanthidae) from the Ryukyu Islands, Japan ⬇️

A collection of fish leeches (Hirudinida: Piscicolidae) from Japan and surrounding waters, including redescriptions of three species

scientific article

A mass occurrence of human infection with Diplogonoporus grandis (Cestoda: Diphyllobothriidae) in Shizuoka Prefecture, central Japan.

scientific article published in March 2002

A new species of Capillaria (Nematoda: Capillariidae) from the intestine of the marine fish Acanthopagrus schlegelii schlegelii (Sparidae) from Japan

scientific article

A new species of Dactylogyrus (Monogenea: Dactylogyridae) parasitic on an endangered freshwater fish, Rhodeus atremius atremius, endemic to Japan

scientific article

A new species of Furcohaptor Bijukumar & Kearn, 1996 (Monogenea: Diplectanidae) parasitic on Cynoglossus robustus Günther (Pleuronectiformes: Cynoglossidae) in the Seto Inland Sea, Japan, with comments on its systematic position and an amended gener

scientific article

A new species of Leposphilus Hesse, 1866 (Copepoda: Philichthyidae) parasitic in the interorbital canals of the whitemouth croaker Micropogonias furnieri (Desmarest) (Sciaenidae) off Brazil with an amended diagnosis of the genus.

scientific article

A new species of Pseudomacrochiron Reddiah, 1969 (Crustacea: Copepoda: Macrochironidae) associated with scyphistomae of the moon jellyfish Aurelia sp. (Cnidaria: Scyphozoa) off Japan.

scientific article

A new species of parasitic copepod of the genus Hatschekia Poche, 1902 (Siphonostomatoida: Hatschekiidae) from filefishes (Pisces: Tetraodontiformes: Monacanthidae) from off Okinawa, Japan

scientific article

A new species of parasitic copepod, Sarcotretes umitakae sp. n. (Siphonostomatoida, Pennellidae), on the rattail (Actinopterygii, Macrouridae) from the East China Sea, Japan

scientific article

A review of the Taeniacanthus balistae species group (Crustacea: Copepoda: Taeniacanthidae), with descriptions of two new species

scientific article (publication date: 11 October 2016)

Alien Gill Parasites of the Silver Carp Hypophthalmichthys molitrix (Cypriniformes: Cyprinidae) in Tochigi Prefecture, Central Japan ⬇️

scientific article published on 15 February 2020

An Alien Monogenean, Ligictaluridus pricei (Platyhelminthes: Ancyrocephalidae), Parasitic on the Channel Catfish Ictalurus punctatus (Actinopterygii: Siluriformes: Ictaluridae) in Japan ⬇️

An Amphibian Acanthocephalan, Acanthocephalus lucidus (Echinorhynchida: Echinorhynchidae), Infecting a Fish, Salvelinus leucomaenis leucomaenis (Salmoniformes: Salmonidae) ⬇️

article published in 2014

Argulus coregoni (Crustacea: Branchiura: Argulidae) Parasitic on a Dark Chub Nipponocypris temminckii (Cypriniformes: Xenocyprididae) in a Stream, Central Japan, with a List of Its Known Hosts in East Asia

scholarly article published on 18 July 2024

Bivaginogyrus obscurus (Monogenea: Dactylogyridae), a Gill Parasite of Two Cyprinids Pseudorasbora pumila pumila and Pseudorasbora parva, New to Japan ⬇️

Chalimus stages of Caligus latigenitalis (Copepoda:Caligidae) parasitic on blackhead seabream from Japanese waters, with discussion of terminology used for developmental stages of caligids

scientific article published on 17 November 2010

Choniomyzon inflatus n. sp. (Crustacea: Copepoda: Nicothoidae) associated with Ibacus novemdentatus (Crustacea: Decapoda: Scyllaridae) from Japanese waters.

scientific article

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 from the Pacific Region

scholarly article published in 2021

Copepod parasites of the fatheads (pisces, psychrolutidae) and their implication on the phylogenetic relationships of psychrolutid genera.

scientific article

Dactylogyrus oryziasi n. sp. (Monogenea: Dactylogyridae) from Oryzias latipes (Beloniformes: Adrianichthyidae) in Japan ⬇️

Description of Raphidascaris (Ichthyascaris) multipapillata sp. nov., Redescription of Hysterothylacium simile Li et al., 2013 and New Records of Some Other Ascaridoid and Seuratoid Nematodes from Marine Fishes in Japan

scientific article published on 03 November 2020

Distribution of Fish Parasites Argulus japonicus and Argulus coregoni (Crustacea: Branchiura: Argulidae) in the Lake Biwa Basin, Central Japan

scientific article published on 26 October 2023

Distribution of Pelagic Elasmobranchs Caught by Salmon Research Gillnets in the North Pacific

article published in 1996

Doridicola similis (Copepoda: Poecilostomatoida: Rhynchomolgidae) Associated with Sepioteuthis sp. (Cephalopoda: Myopsida: Loliginidae), New to Japan ⬇️

Echinorhynchus hexagrammi Baeva, 1965 (Acanthocephala: Echinorhynchidae) from marine fishes off Hokkaido, Japan, with morphological observations and new host records.

scientific article

Effects of Pectenophilus ornatus (Copepoda) on the biomass of cultured Japanese scallop Patinopecten yessoensis

scientific article published on 01 June 1992

Epipelagic nekton of the North Pacific Subarctic and Transition Zones

article

First Japanese Record of Argulus nobilis (Crustacea: Branchiura: Argulidae), an Ectoparasite of Gars of North American Origin

scientific article published on 26 October 2023

First Japanese Record of Heteropriapulus heterotylus (Monogenea: Dactylogyridae), from the Alien Catfish Pterygoplichthys disjunctivus (Siluriformes: Loricariidae) in Okinawa ⬇️

First Record of the Fish Louse Argulus quadristriatus (Branchiura: Arguloida: Argulidae) from Japanese Waters, with Three New Host Records ⬇️

First Records of Tracheliastes sachalinensis (Copepoda: Lernaeopodidae), a Fin Parasite of Cyprinids, from Japan ⬇️

First record of ostracods as natural intermediate hosts of Anguillicola crassus, a pathogenic swimbladder parasite of eels Anguilla spp

Five Trophically-transmitted Parasites from Adult Arctic Lampreys Lethenteron camtschaticum (Petromyzontiformes: Petromyzontidae): Biological Indicators of the Host's Marine Life as a Predator ⬇️

Four Alien Monogeneans, Including Trinigyrus peregrinus n. sp., Parasitic on the Invasive Armored Catfish Pterygoplichthys disjunctivus (Siluriformes: Loricariidae) from Okinawa-jima Island, Okinawa Prefecture, Japan ⬇️

Four new species of Peniculisa Wilson, 1917 (Copepoda: Siphonostomatoida: Pennellidae) parasitic on coastal marine fishes in Japanese waters

scientific article

Four new species of splanchnotrophid copepods (Poecilostomatoida) parasitic on doridacean nudibranchs (Gastropoda, Opistobranchia) from Japan, with proposition of one new genus

scientific article

Gobioecetes longibasais n. sp. (Monogenea: Dactylogyridae) from Rhinogobius similis Gill (Perciformes: Gobiidae) from Okinawa-jima Island, the Ryukyu Archipelago, southern Japan, with a new host record for Gobioecetes biwaensis Ogawa & Itoh, 2017

scientific article published on 17 February 2020

Gyrodactylus medaka n. sp. (Monogenea: Gyrodactylidae) parasitic on wild and laboratory-reared medaka Oryzias latipes (Beloniformes: Adrianichthyidae) in Japan

scientific article published on 22 June 2018

Haplocotyle japonica n. gen., n. sp. (Monogenea: Microbothriidae) Parasitic on Rhinobatos hynnicephalus (Elasmobranchii: Rajiformes: Rhinobatidae) in Japanese Waters ⬇️

Heliconema anguillae Yamaguti, 1935, a physalopterid nematode found in Japanese eels: taxonomic resurrection with a note on the third-stage larva from intertidal crabs in western Japan.

scientific article published on January 2015

Helminths from the giant mottled eel Anguilla marmorata Quoy & Gaimard in Japan, with a description of Acanthocephalus longiacanthus n. sp. (Acanthocephala: Echinorhynchidae).

scientific article published on 8 April 2014

Heterocotyle chinensis (Monogenea: Monocotylidae) from the Whip Stingray Dasyatis akajei in the Seto Inland Sea, Japan ⬇️

Host size- and habitat-dependent intensity of Heliconema longissimum (Nematoda: Physalopteridae) in the Japanese eel (Anguilla japonica).

scientific article published on 14 June 2011

Host utilization by the salmon louse Lepeophtheirus salmonis (Copepoda: Caligidae) in the Sea of Japan

scientific article published on 01 February 1993

Infection of Cypriniform Fishes with Argulus coregoni (Crustacea: Branchiura: Argulidae) in a Low-elevation Stream, Central Japan

scientific article published on 9 January 2025

Influence of host habitat on the occurrence of gill monogeneans Pseudodactylogyrus spp. on wild Japanese eels Anguilla japonica

scientific article published on 01 August 2012

Kudoa intestinalis n. sp. (Myxosporea: Multivalvulida) from the intestinal musculature of the striped mullet, Mugil cephalus, from Japan.

scientific article published on April 1993

Larval anisakid nematodes of Japanese common squid (Todarodes pacificus) from the Sea of Japan

scientific article published on 01 February 1995

Leuckartiara acuta (Hydrozoa, Anthoathecatae, Pandeidae), a New Species from the Pacific ⬇️

scientific article published in December 2005

Life-cycle of Choniomyzon inflatus Wakabayashi, Otake, Tanaka & Nagasawa, 2013 (Copepoda: Siphonostomatoida: Nicothoidae) with the morphological descriptions of the nauplius, copepodid and adult male.

scientific article published on 20 January 2016

Marine Fish Parasite Argulus caecus (Crustacea: Branchiura: Argulidae) Accidentally Collected from a Fixed Net Caught Squid in Northern Japan ⬇️

scientific article published on 14 October 2021

New Geographical Records of Three Gill Monogeneans (Platyhelminthes) Parasitic on Pseudorasbora parva (Cypriniformes: Cyprinidae) in Japan ⬇️

New Record of a Marine Fish Parasite Nerocila trichiura (Crustacea: Isopoda: Cymothoidae) from Japan, with its Confirmed Distribution in the Western North Pacific Ocean ⬇️

scientific article published on 25 September 2019

New records of Caligidae (Copepoda, Siphonostomatoida) from the Philippines

scientific article (publication date: 11 October 2016)

New records of philometrids (Nematoda: Philometridae) from marine fishes off Japan, including description of Philometra kidakoi sp. n. and Congerinema japonicum gen. et sp. n

scientific article published on 11 December 2019

Nippoparasitus unoashicola, a new genus and species of philoblennid copepod (Cyclopoida) parasitic on the Pacific sugar limpet, Patelloida saccharina (Linnaeus, 1758) (Patellogastropoda: Lottiidae) from the intertidal zone of eastern Japan

scientific article (publication date: 11 October 2016)

Observations on five species of philometrid nematodes from marine fishes in Japan

Occurrence of Caligus lalandei Barnard, 1948 (Copepoda, Siphonostomatoida) on Amberjacks (Seriola spp.) in the Western North Pacific

scientific article published in 2001

Occurrence of a Skin Parasite Argulus coregoni (Branchiura: Argulidae) on Salmonids in Mountain Streams, Central Japan, with Discussion on Its Longitudinal Distribution and Host Utilization in Rivers ⬇️

scientific article published on 22 April 2022

Paeonocanthus antarcticensis (Hewitt, 1965): a rare copepod parasite of bathypelagic fish, Bathylagus antarcticus Günther, from the Antarctic Ocean

scientific article published in October 2003

Pseudohatschekiidae, a new family for Pseudohatschekia branchiostegi Yamaguti, 1939 (Crustacea: Copepoda: Siphonostomatoida) from Branchiostegus spp. (Teleostei: Perciformes: Malacanthidae) in Japanese waters, with descriptions of the early [...]

scientific article

Pseudorhadinorhynchus samegaiensis (Acanthocephala: Echinorhynchida: Illiosentidae) Uses the Amphipod Jesogammarus (Annanogammarus) fluvialis as an Intermediate Host in a Stream of the Lake Biwa Basin, Central Japan ⬇️

Redescription of Argulus mongolianus (Crustacea: Branchiura: Argulidae), an Ectoparasite of Freshwater Fishes in East Asia, with Its First Record from Japan ⬇️

scientific article published on 22 April 2022

Redescription of Dichelyne (Cucullanellus) jialaris (Nematoda: Cucullanidae), a parasite of seabreams (Perciformes: Sparidae) in East Asia

article

Redescription of Pseudacanthocanthopsis secunda (Yamaguti and Yamasu, 1960) (Copepoda: Chondracanthidae) parasitic on marine fishes from the Seto Inland Sea, Japan and the East China Sea off Japan and Korea

scientific article published in 2013

Redescription of Raphidascaris gigi Fujita, 1928 (Nematoda: Anisakidae), a parasite of freshwater fishes in Japan

scientific article published on 01 July 2002

Redescription of the fish parasite Nerocila japonica Schioedte & Meinert, 1881 (Crustacea: Isopoda: Cymothoidae), with comments on previous records of N. acuminata in Japanese waters

scientific article published on 20 December 2011

Rediscovery of a Deep-sea Fish Parasite Lophoura cornuta (Copepoda: Sphyriidae) in the Western North Pacific off Hokkaido, Northern Japan

scholarly article published on 11 January 2024

Rediscovery of a Fish Acanthocephalan, Acanthocephalus minor (Echinorhynchida: Echinorhynchidae), in the Lake Biwa Basin, Central Japan, with a Review of the Fish Acanthocephalan Fauna of the Basin ⬇️

Rhabdochona angusticaudata sp. n. (Nematoda: Rhabdochonidae) from the Japanese eel Anguilla japonica, and new records of some other nematodes from inland fishes in Japan

scientific article published on 23 October 2018

Role of Leptodora kindti (Cladocera: Leptodoridae) in the life cycle of Raphidascaris biwakoensis (Nematoda: Anisakidae), a fish parasite in Lake Biwa, Japan

scientific article published on 01 March 1998

Saging cebuana, a new genus and species of taeniacanthid copepod (Cyclopoida) parasitic on a filefish (Actinopterygii: Monacanthidae) collected from Cebu Island, the Philippines ⬇️

scholarly article by Daisuke Uyeno et al published 30 August 2013 in The Raffles Bulletin of Zoology

Salmincola edwardsii (Copepoda: Lernaeopodidae) Parasitic on Southern Asian Dolly Varden, Salvelinus malma krascheninnikova , from Hokkaido Island, Japan, with the Southernmost Distribution Record of the Copepod in Asia ⬇️

scientific article published on 18 September 2020

Salmincola markewitschi (Copepoda: Lernaeopodidae) Parasitic on Whitespotted Char, Salvelinus leucomaenis , in a Mountain Stream of Honshu Island, Central Japan ⬇️

scientific article published on 16 November 2020

Salsuginus seculus (Monogenea: Ancyrocephalidae) Newly Recorded from Japan, Infecting the Introduced Mosquitofish Gambusia affinis ⬇️

Sarcotretes Longirostris N. Sp. (Copepoda: Pennellidae) Parasitic on Bluefin Driftfish (Psenes Pellucidus) from the Stomachs of Short-Finned Pilot Whales Caught off Japan

scientific article published in 2007

Some Spirurid Nematodes (Spirurida) from Freshwater and Brackish-Water Fishes in Okinawa Prefecture, Japan, with Descriptions of Two New Species

scientific article published on 25 August 2020

Some nematodes from eels (Anguilliformes: Anguillidae) in Japan, with descriptions of two new species

scientific article published on 31 October 2020

Species of Taeniacanthus Sumpf, 1871 (Crustacea: Copepoda: Taeniacanthidae) parasitic on boxfishes (Tetraodontiformes: Aracanidae and Ostraciidae) from the Indo-West Pacific region, with descriptions of two new species.

scientific article

Synopsis of Japanese names of the parasites from cultured fishes and shellfishes in Japan

scientific article

The genus Hatschekia (Copepoda: Hatschekiidae) from pufferfishes (Tetraodontiformes: Tetraodontidae) off the Ryukyu Islands, Japan, with descriptions of four new species and a redescription of H. pholas.

scientific article

The identity of Limnoncaea diuncata Kokubo, 1914 (Copepoda: Poecilostomatoida) from Hokkaido, Japan, with the relegation of Diergasilus Do, 1981 to a junior synonym of Thersitina Norman, 1905

scientific article published on 01 January 2004

Three Species of Dactylogyrus (Monogenea: Dactylogyridae) Parasitic on Japanese Seabass Lateolabrax japonicus (Perciformes: Lateolabracidae) in Japan, with New Country Records for Dactylogyrus gotoi and Dactylogyrus kikuchii ⬇️

scientific article

Three new species of Hatschekia Poche, 1902 (Copepoda: Siphonostomatoida: Hatschekiidae) parasitic on Abalistes filamentosus (Pisces: Tetraodontiformes: Balistidae) from off Okinawa, Japan

scientific article published on 30 September 2009

Three new species of Hatschekia Poche, 1902 (Copepoda: Siphonostomatoida: Hatschekiidae) parasitic on boxfishes (Pisces: Tetraodontiformes: Aracanidae and Ostraciidae) in Japanese waters.

scientific article

Tidal-Flat Macrobenthos as Diets of the Japanese Eel Anguilla japonica in Western Japan, with a Note on the Occurrence of a Parasitic Nematode Heliconema anguillae in Eel Stomachs.

scientific article

Two Copepods Salmincola edwardsii and Salmincola markewitschi (Lernaeopodidae) Parasitic on Chars ( Salvelinus spp.) Reared in a Salmon Museum, Northern Japan ⬇️

scientific article published on 17 June 2021

Two new Huffmanela species, H. japonica n. sp. and H. shikokuensis n. sp. (Nematoda: Trichosomoididae), from marine fishes in Japan

scientific article

Two species of philometrid nematodes (philometridae) from marine fishes off Japan, including Philometroides branchiostegi sp. n. from Branchiostegus japonicus (malacanthidae).

scientific article

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