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Susumu Ohtsuka

Susumu Ohtsuka

Overview

Susumu Ohtsuka is affiliated with Hiroshima University in Japan and has contributed to research primarily in the fields of Environmental Science and Earth and Planetary Sciences. Their work spans several subfields including Ecology, Oceanography, Molecular Biology, Genetics, and Paleontology.

Their research topics focus largely on Parasite Biology and Host Interactions, Marine Biology and Ecology Research, Coral and Marine Ecosystems Studies, Identification and Quantification in Food, Marine Invertebrate Physiology and Ecology, Genetic Diversity and Population Structure, and Microbial Community Ecology and Physiology.

Ohtsuka has published in a variety of scientific venues, with frequent contributions to:

  • Plankton and Benthos Research
  • Zootaxa
  • ZooKeys
  • Scientific Reports
  • Biodiversity Data Journal

Some recent papers include:

  • Discovery of the fish host of the 'planktonic' caligid Caligus undulatus Shen & Li, 1959 (Crustacea: Copepoda: Siphonostomatoida), 2020, Biodiversity Data Journal
  • Antiparasitic potential of Nephrolepis biserrata methanol extract against the parasitic leech Zeylanicobdella arugamensis (Hirudinea) and LC-QTOF analysis, 2020, Scientific Reports
  • Microsclerodermins N and O, cytotoxic cyclic peptides containing a p-ethoxyphenyl moiety from a deep-sea marine sponge Pachastrella sp., 2020, Tetrahedron
  • Exploring evolutionary trends within the Pennellidae (Copepoda: Siphonostomatoida) using molecular data, 2022, Systematic Parasitology
  • Are We Ready to Get Rid of the Terms "Chalimus" and "Preadult" in the Caligid (Crustacea: Copepoda: Caligidae) Life Cycle Nomenclature?, 2023, Pathogens

Frequent collaborators in their research include:

  • Yusuke Kondo
  • Sota Komeda
  • Balu Alagar Venmathi Maran
  • Panakkool Thamban Aneesh
  • Kenta Adachi

Best Publications

  • Sexual dimorphism in calanoid copepods: morphology and function

    Susumu Ohtsuka;Rony Huys

  • Species of the parasitic genus Duboscquella are members of the enigmatic Marine Alveolate Group I.

    Ai Harada;Susumu Ohtsuka;Takeo Horiguchi

  • Introduction of the Asian copepods Acartiella sinensis, Tortanus dextrilobatus (Copepoda : Calanoida), and Limnoithona tetraspina (Copepoda : Cyclopoida) to the San Francisco Estuary, California, USA

    James J. Orsi;Susumu Ohtsuka

  • Attachment and Feeding of Pelagic Copepods on Larvacean Houses

    Susumu Ohtsuka;Nobutaka Kubo;Masaki Okada;Kenji Gushima

  • Symbionts of marine medusae and ctenophores

    Susumu Ohtsuka;Kazuhiko Koike;Dhugal Lindsay;Jun Nishikawa

  • In situ feeding habits of Oncaea (Copepoda: Poecilostomatoida) from the upper 250 m of the central Red Sea, with special reference to consumption of appendicularian houses

    Susumu Ohtsuka;Ruth Bottger-Schnack;Masaki Okada;Takashi Onbé

  • Sem Observation of the Nauplius of Monstrilla Hamatapex, New Species, from Japan and an Example of Upgraded Descriptive Standards for Monstrilloid Copepods

    Mark J. Grygier;Susumu Ohtsuka

  • Evolution of the bomolochiform superfamily complex (Copepoda: Cyclopoida): New insights from ssrDNA and morphology, and origin of umazuracolids from polychaete-infesting ancestors rejected

    Rony Huys;Farrah Fatih;Susumu Ohtsuka;Julia Llewellyn-Hughes

  • Specialized feeding mechanism in the pelagic copepod genus Heterorhabdus (Calanoida: Heterorhabdidae), with special reference to the mandibular tooth and labral glands

    S. Nishida;S. Ohtsuka

  • Phylogenetic relationships between arietellid genera (Copepoda: Calanoida), with the establishment of three new genera

    S Ohtsuka;G A Boxshall;H S J Roe

  • Relationship between mouthpart structures and in situ feeding habits of species of the family Pontellidae (Copepoda: Calanoida)

    S. Ohtsuka;T. Onbé

  • Cladistic analysis of the calanoid Copepoda

    Janet M. Bradford-Grieve;Geoff A. Boxshall;Shane T. Ahyong;Shane T. Ahyong;Susumu Ohtsuka

  • Records of Caligus (Crustacea: Copepoda: Caligidae) from Marine Fish Cultured in Floating Cages in Malaysia with a Redescription of the Male of Caligus longipedis Bassett-Smith, 1898

    B. A. Venmathi Maran;Leong Tak Seng;Susumu Ohtsuka;Kazuya Nagasawa

  • Detection of tetrodotoxin (TTX) from two copepods infecting the grass puffer Takifugu niphobles: TTX attracting the parasites?

    Katsutoshi Ito;Shinya Okabe;Manabu Asakawa;Kentaro Bessho

  • Morphology and host-specificity of the apostome ciliate Vampyrophrya pelagica infecting pelagic copepods in the Seto Inland Sea, Japan

    Susumu Ohtsuka;Mariko Hora;Toshinobu Suzaki;Mikihiko Arikawa

  • Description of two new species of Neotachidius Shen & Tai, 1963 (Copepoda, Harpacticoida, Tachidiidae) from Korean brackish waters and proposal of a new genus for Tachidius (Tachidius) vicinospinalis Shen & Tai, 1964

    Rony Huys;Susumu Ohtsuka;Sophie Conroy‐Dalton;Yoshiaki Kikuchi

  • The caligid life cycle: new evidence from Lepeophtheirus elegans reconciles the cycles of Caligus and Lepeophtheirus (Copepoda: Caligidae)

    Balu Alagar Venmathi Maran;Seong Yong Moon;Susumu Ohtsuka;Sung-Yong Oh

  • A new species of the genus Rhachotropis from off Amamioshima Island, northwestern Pacific (Crustacea: Amphipoda: Eusiridae).

    Masakuni Okazaki;Susumu Ohtsuka;K O Tomikawa

  • New records of six deep-sea caridean shrimps (Crustacea: Decapoda) from the Ryukyu Islands and its adjacent waters, southwestern Japan.

    Tomoyuki Komai;Susumu Ohtsuka;Shuhei Yamaguchi;Kazumitsu Nakaguchi

  • Developmental stages and growth of Pseudocaligus fugu Yamaguti, 1936 (Copepoda: Siphonostomatoida: Caligidae) host-specific to Puffer

    Susumu Ohtsuka;Ikuo Takami;B. A. Venmathi Maran;Kazuo Ogawa

Frequent Co-Authors

Rony Huys
Rony Huys Natural History Museum
Atsushi Yamaguchi
Atsushi Yamaguchi Tohoku University
Shane T. Ahyong
Shane T. Ahyong Australian Museum
Naohiko Ohkouchi
Naohiko Ohkouchi Japan Agency for Marine-Earth Science and Technology
Nanako O. Ogawa
Nanako O. Ogawa Japan Agency for Marine-Earth Science and Technology
Shigeki Matsunaga
Shigeki Matsunaga Kyoto University
Tamao Noguchi
Tamao Noguchi Nagasaki University
Toshihiro Nakai
Toshihiro Nakai Hiroshima University
Hiroshi Itoh
Hiroshi Itoh Yamaguchi University
Minoru Yoshida
Minoru Yoshida University of Tokyo

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