執筆中

Ohtsuchi, N. et al. (そろそろ終わる) アリアケモドキ属の新種記載.

大土直哉ら (改稿中) とある貧鹹水性カニ類の岩手県河口域からの初記録. とある和文誌, x: xxxx-xxxx.

Ohtsuchi, N. et al.  (そろそろ終わる) とあるツノガニ属の再記載＋1新種記載.  

Ohtsuchi, N. et al. サワガニの１新種記載. 

Ohtsuchi, N. et al. (詳しい先生による原稿確認中) The first record of heteromorphic eyestalk in place of ...

寺本ほか (投稿済) とある巻貝の初記録. とある和文誌

Hasegawa, N., Tsuyuki, A., Ohtsuchi, N. et al. (投稿済) 大槌湾における生物相調査の報告. とある英文誌, x: xxxx-xxxx.  

Yoshikawa, A., ..., Ohtsuchi, N. et al. (submitted) イソギンチャク．とある英文誌, x: xxxx-xxxx.  

早川　淳 ・寺本沙也加 ・大土直哉 ・河村知彦  (投稿済) とある巻貝の初記録. とある和文誌. 

2025

大土直哉 (投稿済) 岩手県から初めて記録された○〇〇〇〇〇（○○○下目: ○○○○科）． 某和文誌 査読なし

Hayashi, R. & Ohtsuchi, N. (2025) Mobile habitats for the unseen passengers: the brachyuran crabs on the loggerhead sea turtles. Journal of the Marine Biological Association of the United Kingdom, 105: e4. doi:10.1017/S0025315424001218.  査読有り 見る

2024

大土直哉・早川 淳 (2024) 岩手県大槌湾の潮下帯に出現したヒメアカイソガニ（短尾下目: モクズガニ科）．南紀生物, 66(2): 149-153. (Acmaeopleura parvula Stimpson, 1858 (Brachyura: Varunidae) found at subtidal zone at Otsuchi Bay, Iwate Prefecture, Japan) 査読なし

Ohtsuchi, N., Miller, M.J. & Kawamura, T. (2024) Regional range extension of two xanthid crab species (Decapoda, Brachyura) to the mid-Sanriku Coast, the coldest waters of Honshu, Japan.  Crustaceana, 97(12): 1385-1402. 査読有り 見る

白木祥貴・大土直哉 (2024) 小田原利光若手育成国際交流基金による支援を受けて参加したThe Crustacean Society Summer Meeting 2024台湾大会の参加報告．CANCER, 33: 69-74. (Report on the participation in The Crustacean Society Summer Meeting 2024 in Taiwan supported  by Toshimitsu Odawara Memorial International Conference Travel Grant for Young Researchers) 査読なし 見る

大土直哉・Ka Chai Cheung・長坂忠之助・中川幹大・三田哲也・佐藤大義・日比野麻依・乾　直人・三浦知佑・中島広喜・鈴木颯太 (2024) 相模湾三崎沖からドレッジにより採集された十脚甲殻類．CANCER, 33:  e17-e27. (On the small collection of decapod crustaceans dredged from off Misaki, Sagami Bay) 査読なし 見る

大土直哉・乾　直人・太田悠造 (2024) 日本甲殻類学会若手の会・三崎臨海実験所共催 第1回甲殻類採集会（相模湾三崎）の報告. CANCER, 33: 75-80. (Outlines of the 1st field workshop conducted by the CSJ Youth Workshop in collaboration with Misaki Marine Biological Station, The University of Tokyo) 査読なし 見る

早川　淳 ・寺本沙也加 ・大土直哉 ・河村知彦  (2024) 三陸沿岸におけるミスガイ（腹足綱, 低位異鰓目, ミスガイ科）の初記録．東京大学大気海洋研究所国際沿岸海洋研究センター研究報告, 39: 9-12. (First record of Hydatina physis Linnaeus, 1758 (Gastropoda, Lower Heterobranchia, Aplustridae) from Sanriku Coast, northeastern Japan.) 査読有り 見る

Itoh, S., Takeshige, A., Kasai, A., Kimura, S., Hayakawa, J. & Ohtsuchi, N. (2024) 5.19 - Modeling Coastal Ecosystem Complexes. In: Baird, D. &  Elliott, M. (eds.) Treatise on Estuarine and Coastal Science (Second Edition), Volume 5: Modeling and Prediction.  Elsevier, Amsterdam. pp. 495-511  見る

大土直哉・神吉隆行・河村知彦 (2024) メンコガニ（甲殻亜門，十脚目，異尾下目，タラバガニ科）の分布域の再検討と大槌湾から得られた脱皮直後の個体の記録. 東京大学大気海洋研究所国際沿岸海洋研究センター研究報告, 39: 1-8. (Review on the distribution ranges of Cryptolithodes expansus (Miers, 1879) (Crustacea: Decapoda: Anomura: Lithodidae) with notes on a specimen shortly after moulting found at Otsuchi Bay, northeastern Japan) 査読有り 見る

Ohtsuchi, N., Fukuda, K. & Kawamura, T. (2024) First record of Chelarctus virgosus Yang and Chan, 2012 (Crustacea, Decapoda, Scyllaridae) from the Oshika Peninsula, northeastern Japan: 300 km northward range extension of slipper lobsters.  Thalassas: An International Journal of Marine Sciences, 40: 1085-1091. 査読有り 見る

2023

大土直哉・大竹純也・杉村達樹 (2023) 鉗脚可動指に著しい過剰指を生じたタイワンガザミ (狭義) (十脚目：ガザミ科) の記録. ニッチェ・ライフ, 11: 70-73.  (A remarkable example of the excess fingers occurred on cheliped dactylus of Portunus pelagicus (Linnaeus, 1758) sensu stricto (Decapoda: Portunidae); a photograph-based record) 見る

2022

Takeda, M., Ahyong, S.T., Ohtsuchi, N. & Komatsu, H. (2022c) Crabs (Crustacea, Decapoda, Brachyura) from the Sea off East and Southeast Asia collected by the RV Hakuhō Maru (KH–72–1 Cruise).  4. South China Sea.  Bulletin of the National Museum of Nature and Science, Ser. A, Vol. 48(4): 147–192.  査読有り 見る

Takeda, M., Ahyong, S.T., Ohtsuchi, N. & Komatsu, H. (2022b) Crabs (Crustacea, Decapoda, Brachyura) from the Sea off East and Southeast Asia collected by the RV Hakuhō Maru (KH–72–1 Cruise).  3. Sahul Shelf.  Bulletin of the National Museum of Nature and Science, Ser. A, Vol. 48(2): 35-83 .  査読有り 見る

Takeda, M., Ahyong, S.T., Ohtsuchi, N. & Komatsu, H. (2022a) Crabs (Crustacea, Decapoda, Brachyura) from the Sea off East and Southeast Asia collected by the RV Hakuhō Maru (KH–72–1 Cruise).  2. Timor Sea.  Bulletin of the National Museum of Nature and Science, Ser. A, Vol. 48(1): 5-24 .  査読有り 見る

2021

大土直哉・福田介人・河村知彦・武田正倫 (2021) サナダミズヒキガニ (甲殻綱, 十脚目, ミズヒキガニ科) の日本における分布北限について.  東京大学大気海洋研究所国際沿岸海洋研究センター研究報告, 37: 11-15.  (Notes on the northern limit of distribution of Latreillia valida De Haan, 1839 (Crustacea, Decapoda, Latreillidae) in Japan)  査読有り  見る 

大土直哉・日比野麻衣・河村知彦 (2021)  常磐・三陸沿岸からのモガニ属2種（甲殻綱，十脚目，モガニ科）の新産地記録. 東京大学大気海洋研究所国際沿岸海洋研究センター研究報告, 37: 5-10. (New records of two kelp crab species of the genus Pugettia Dana, 1851 (Crustacea, Decapoda, Epialtidae) from the coasts of Joban and Sanriku, Northeast Japan) 査読有り 見る

Takeda, M., Ohtsuchi, N. & Komatsu, H. (2021) Crabs (Crustacea, Decapoda, Brachyura) from the Sea off East and Southeast Asia collected by the RV Hakuhō Maru (KH–72–1 Cruise).  1. Sulu Sea and Sibutu Passage.  Bulletin of the National Museum of Nature and Science, Ser. A, Vol. 47(2): 65-97 .  査読有り 見る

武田祐二・大土直哉 (2021) 三浦半島におけるガタバクベニツケガニ（甲殻亜門：十脚目：ワタリガニ科）の初記録. 神奈川県自然誌資料, 42: 123–127.  (First record of Thalamita gatavakensis Nobili, 1906 (Crustacea: Decapoda: Portunidae) from Miura Peninsula, Kanagawa Prefecture, Honshu, Japan) 査読有り 見る

Kawaida, S., Nanjo, K., Ohtsuchi, N., Kohno, H., Sano, M. (2021) Crabs assimilating cellulose materials drive the detritus food chain in a mangrove estuary.  Food Webs, 26: e00180.  Available online 18 November 2020. 査読有り

2020

Ohtsuchi, N., Takeda, M. & Ashida, A. (2020). Two poorly known species of the genus Hyastenus White, 1847 (Decapoda: Brachyura: Epialtidae) from the Ryukyu Archipelago. Fauna Ryukyuana, 58: 1-14. 

Ohtsuchi, N., Komatsu, H. & Li, X. (2020). A new kelp crab species of the genus Pugettia (Crustacea: Decapoda: Brachyura: Epialtidae) from Shandong Peninsula, Northeast China. Species Diversity, 25: 237–250.  

大土直哉・河村知彦 (2020) ヨツハモガニと近縁2種の形態的特徴. 海洋と生物, 42: 191–200.  総説

武田祐二・大土直哉 (2020) 三浦半島におけるヒメキンチャクガニ（十脚目：短尾下目：オウギガニ科）の初記録. 神奈川県自然誌資料, 41: 13-16.  (Takeda, Y. & Ohtsuchi, N., 2020. The first record of Lybia caestifera (Alcock, 1898) (Decapoda: Brachyura: Xanthidae) from Miura Peninsula).  査読あり 見る

Kodama, M., Kawamura, T., Nakamoto, K., Ohtsuchi, N., Hayakawa, J., Kanki, T., Kitagawa, T., Watanabe, Y. (2020). Effect of algal phenology on seasonal dynamics of gammarid assemblages: differences between canopy and understory strata of Sargassum yezoense bed. Marine Ecology Progress Series, 634:  63-76. 

2019

Ohtsuchi, N. & Kawamura, T. (2019) Redescriptions of Pugettia quadridens (De Haan, 1837) and P. intermedia Sakai, 1938 (Crustacea: Brachyura: Epialtidae) with description of a new species. Zootaxa, 4672: 1-68.  Monograph 

Ohtsuchi, N., J. Hayakawa & T. Kawamura (2019) Northward range extension of Porcellanopagurus nihonkaiensis Takeda, 1985 (Decapoda, Anomura, Paguridae) in Japan. Crustaceana, 92: 577-583. 

Kawaida, S., Nanjo, K., Ohtsuchi, N., Kohno, H. & M. Sano (2019) Cellulose digestion abilities determine the food utilization patterns of mangrove estuarine crabs. Estuarine, Coastal and Shelf Science, 222: 43-52. 

Nakamoto, K., Hayakawa, J., Kawamura, T., Ohtsuchi, N., Yamada, H., Kitagawa, T., Watanabe, Y. (2019) Seasonal fluctuation in food sources of herbivorous gastropods in a subtropical seagrass bed estimated by stable isotope analysis.  Journal of the Marine Biological Association of the United Kingdom, 99: 1119-1125. 

2018

川井田 俊 ・大土直哉・河野裕美・渡邊良朗・佐野光彦 （2018）琉球諸島西表島のマングローブ林に生息するフタバカクガニParasesarma bidensの落葉摂食量. La mer, 56: 37-47. 

Ohtsuchi, N. & Yoshida, R. (2018) First record of Menaethius orientalis (Sakai, 1969) (Decapoda: Brachyura: Epialtidae) from Ryukyu Archipelago, Japan. Fauna Ryukyuana, 43: 1-9. 稀種ゴカクモガニの琉球列島初記録.

Hayakawa, J., Ohtsuchi, N., Kawamura, T., Kurogi, H. (2018) Ontogenetic habitat and diet shifts in Japanese turban snail Turbo cornutus on the rocky shore at Nagai, Sagami Bay, Japan. Fisheries Science, 84: 211–225. 

Ohtsuchi, N., Kawamura, T., Hayakawa, J., Kurogi, H. & Watanabe, Y. (2018) Ontogenetic habitat shift of Pugettia quadridens (De Haan, 1837) on the coast of Sagami Bay, Japan. Fisheries Science, 84: 201-209. ヨツハモガニの出現動態の研究から本種が成長に伴う生息場変化を行なうことが示唆された. 

2016

Ohtsuchi, N. & Kawamura, T. (2016) Redescription of Alox chaunos Galil & Ng, 2007 (Crustacea: Decapoda: Brachyura: Leucosiidae) new to Japan; with notes on the male characters of A. latusoides (Sakai, 1937). Zootaxa, 4111: 41–52. フカミゾカルイシコブシの日本初記録. 

Ohtsuchi, N., Kawamura, T., Hayakawa, J., Kurogi, H. & Watanabe, Y. (2016) Growth patterns and population dynamics of the kelp crab Pugettia vulgaris (Decapoda, Brachyura, Epialtidae) on the coast of Sagami Bay, Japan. Crustaceana, 89(6-7): 645–667. アラサキモガニの出現動態と棲息場利用.

Kodama, M., Ohtsuchi, N. & Kon, K. (2016) A new species of the genus Rhinoecetes Just, 1983 (Crustacea, Amphipoda, Ischyroceridae) from Japan. Zootaxa, 4169: 133–144. 新種トゲオツノアルキの記載.