Masatoshi Matsumasa (松政 正俊)
Masatoshi Matsumasa (松政 正俊)
Iwate Medical University, Department of Biology, Center for Liberal Arts & Sciences
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Spatial shifts in food sources for macrozoobenthos in an estuarine ecosystem: carbon and nitrogen stable isotope analyses
H Doi, M Matsumasa, T Toya, N Satoh, C Mizota, Y Maki, E Kikuchi
Estuarine, Coastal and Shelf Science 64 (2-3), 316-322, 2005
Changes in blood glucose and lactate levels of male fiddler crabs: effects of aggression and claw waving
M Matsumasa, M Murai
Animal Behaviour 69 (3), 569-577, 2005
Seasonal and between‐substrate variation in mobile epifaunal community in a multispecific seagrass bed of Otsuchi Bay, Japan
M Nakaoka, T Toyohara, M Matsumasa
Marine Ecology 22 (4), 379-395, 2001
What are the consequences of being left-clawed in a predominantly right-clawed fiddler crab?
PRY Backwell, M Matsumasa, M Double, A Roberts, M Murai, JS Keogh, ...
Proceedings of the Royal Society B: Biological Sciences 274 (1626), 2723-2729, 2007
“Igloo” construction by the ocypodid crab, Dotilla myctiroides (Milne-Edwards)(Crustacea; Brachyura): the role of an air chamber when burrowing in a saturated sandy substratum
S Takeda, M Matsumasa, HS Yong, M Murai
Journal of Experimental Marine Biology and Ecology 198 (2), 237-247, 1996
Practical applications of molecular biological species identification of forensically important flies
K Saigusa, M Matsumasa, Y Yashima, M Takamiya, Y Aoki
Legal Medicine 11, S344-S347, 2009
Variation in the branchial formula of semiterrestrial crabs (Decapoda: Brachyura: Grapsidae and Ocypodidae) in relation to physiological adaptations to the environment
S Takeda, M Matsumasa, S Kikuchi, S Poovachiranon, M Murai
Journal of Crustacean Biology 16 (3), 472-486, 1996
The ultrastructure of the sternal gills forming a striking contrast with the coxal gills in a fresh-water amphipod (Crustacea)
S Kikuchi, M Matsumasa, Y Yashima
Tissue and Cell 25 (6), 915-928, 1993
The osmoregulatory tissue around the afferent blood vessels of the coxal gills in the estuarine amphipods, Grandidierella japonica and Melita setiflagella
S Kikuchi, M Matsumasa
Tissue and Cell 25 (4), 627-638, 1993
Two ultrastructurally distinct types of transporting tissues, the branchiostegal and the gill epithelia, in an estuarine tanaid, Sinelobus stanfordi (Crustacea, Peracarida)
S Kikuchi, M Matsumasa
Zoomorphology 113 (4), 253-260, 1993
Effect of secondary substrate on associated small crustaceans in a brackish lagoon
M Matsumasa
Journal of experimental marine biology and ecology 176 (2), 245-256, 1994
Macroalgae and seagrass contribution to gastropods in sub-tropical and temperate tidal flats
H Doi, M Matsumasa, M Fujikawa, K Kanou, T Suzuki, E Kikuchi
Marine Biological Association of the United Kingdom. Journal of the Marine …, 2009
Ultrastructural evidence for osmoregulatory function of the sternal epithelia in some gammaridean amphipods
S Kikuchi, M Matsumasa
Journal of Crustacean Biology 17 (3), 377-388, 1997
A low-cost sexual ornament reliably signals male condition in the fiddler crab Uca beebei
M Matsumasa, M Murai, JH Christy
Animal Behaviour 85 (6), 1335-1341, 2013
Gill ultrastructure and salinity tolerance of Caprella spp.(Crustacea: Amphipoda: Caprellidea) inhabiting the Sargassum community
I Takeuchi, M Matsumasa, S Kikuchi
Fisheries science 69 (5), 966-973, 2003
Distribution and shape of Dotilla myctiroides (Brachyura: Ocypodidae) burrow in the seagrass Enhalus acoroides zone
Benthos Research 1992 (43), 1-9, 1992
Pereopodal disk: a new type of extrabranchial ion-transporting organ in an estuarine amphipod, Melita setiflagella (Crustacea)
S Kikuchi, M Matsumasa
Tissue and Cell 27 (6), 635-643, 1995
Seasonal changes in the stomach contents of the burrowing mud-crab, Helice tridens (De Haan)
S Takeda, M Matsumasa
Bulletin of the Marine Biological Station of Asamushi-Tohoku University (Japan), 1988
Blood osmoregulation and ultrastructure of the gas windows (‘Tympana’) of intertidal ocypodid crabs: Dotilla vs. Scopimera
M Matsumasa, S Kikuchi, S Takeda, S Poovachiranon, HS Yong, M Murai
Benthos Research 56 (2), 47-55, 2001
Multimodal signaling in fiddler crab: waving to attract mates is condition-dependent but other sexual signals are not
F Takeshita, M Murai, M Matsumasa, Y Henmi
Behavioral Ecology and Sociobiology 72 (9), 1-10, 2018
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