Acta Biologica Hungarica
Volume/Issue:
Volume 59: Issue Issue Supplement-2
Speed of back-swimming of Lymnaea
Authors:
Kanako Aono Hokkaido Sapporo Okadama High School Biology Club 2-chome, Kitaokadama 1-jo, Higashi-ku Sapporo 007-0881 Japan

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A. Fusada Hokkaido Sapporo Okadama High School Biology Club 2-chome, Kitaokadama 1-jo, Higashi-ku Sapporo 007-0881 Japan

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Y. Fusada Hokkaido Sapporo Okadama High School Biology Club 2-chome, Kitaokadama 1-jo, Higashi-ku Sapporo 007-0881 Japan

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W. Ishii Hokkaido Sapporo Okadama High School Biology Club 2-chome, Kitaokadama 1-jo, Higashi-ku Sapporo 007-0881 Japan

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Y. Kanaya Hokkaido Sapporo Okadama High School Biology Club 2-chome, Kitaokadama 1-jo, Higashi-ku Sapporo 007-0881 Japan

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Mami Komuro Hokkaido Sapporo Okadama High School Biology Club 2-chome, Kitaokadama 1-jo, Higashi-ku Sapporo 007-0881 Japan

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Kanae Matsui Hokkaido Sapporo Okadama High School Biology Club 2-chome, Kitaokadama 1-jo, Higashi-ku Sapporo 007-0881 Japan

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S. Meguro Hokkaido Sapporo Okadama High School Biology Club 2-chome, Kitaokadama 1-jo, Higashi-ku Sapporo 007-0881 Japan

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Ayumi Miyamae Hokkaido Sapporo Okadama High School Biology Club 2-chome, Kitaokadama 1-jo, Higashi-ku Sapporo 007-0881 Japan

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Yurie Miyamae Hokkaido Sapporo Okadama High School Biology Club 2-chome, Kitaokadama 1-jo, Higashi-ku Sapporo 007-0881 Japan

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Aya Murata Hokkaido Sapporo Okadama High School Biology Club 2-chome, Kitaokadama 1-jo, Higashi-ku Sapporo 007-0881 Japan

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Shizuka Narita Hokkaido Sapporo Okadama High School Biology Club 2-chome, Kitaokadama 1-jo, Higashi-ku Sapporo 007-0881 Japan

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Hiroe Nozaka Hokkaido Sapporo Okadama High School Biology Club 2-chome, Kitaokadama 1-jo, Higashi-ku Sapporo 007-0881 Japan

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Wakana Saito Hokkaido Sapporo Okadama High School Biology Club 2-chome, Kitaokadama 1-jo, Higashi-ku Sapporo 007-0881 Japan

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Ayumi Watanabe Hokkaido Sapporo Okadama High School Biology Club 2-chome, Kitaokadama 1-jo, Higashi-ku Sapporo 007-0881 Japan

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Kaori Nishikata Hokkaido Sapporo Okadama High School Biology Club 2-chome, Kitaokadama 1-jo, Higashi-ku Sapporo 007-0881 Japan

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A. Kanazawa Hokkaido Science Education Center Biology Laboratory 7-chome, Miyanomori 4-jo, Chuo-ku Sapporo 064-0954 Japan

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Y. Fujito Sapporo Medical University Department of Physiology, School of Medicine Mimami 1-jo, Nishi 17-chome, Chuo-ku Sapporo 060-8556 Japan

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R. Okada Tokushima Bunri University Kagawa School of Pharmaceutical Sciences 1314-1 Shido Sanuki 769-2193 Japan

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K. Lukowiak University of Calgary Hotchkiss Brain Institute 3330 Hospital Dr. NW Calgary AB Canada T2N 4N1

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E. Ito Tokushima Bunri University Kagawa School of Pharmaceutical Sciences 1314-1 Shido Sanuki 769-2193 Japan

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Pages:
105–109
Online Publication Date:
03 Jun 2008
Publication Date:
01 Jun 2008
Article Category:
Research Article
DOI:
https://doi.org/10.1556/abiol.59.2008.suppl.17
Keywords:
Back-swimming; detergent; interface; Lymnaea
Restricted access

The pond snail, Lymnaea stagnalis , can locomote on its back utilizing the surface tension of the water. We have called this form of movement ‘back-swimming’. In order to perform this behavior, the snail must flip itself over on its back so that its foot is visible from above. Little is known about the mechanism of this back-swimming. As a first step for the elucidation of this mechanism, we measured the speed of back-swimming of Lymnaea at the different times of the day. They back-swam significantly faster in the morning than just before dark. These data are consistent with our earlier findings on circadian-timed activity pattern in Lymnaea. Lymnaea appear to secrete a thin membrane-like substance from their foot that may allow them to back-swim. To confirm the existence of this substance and to examine whether this substance is hydrophobic or hydrophilic, we applied a detergent onto the foot during back-swimming. A single drop of 1% Tween 20 drifted Lymnaea away that were still kept at the water surface. These results suggest that Lymnaea secrete a hydrophobic substance from their foot that floats to the water surface allowing Lymnaea to back-swim.

  • Chono, K., Fujito, Y., Ito, E. (2002) Non-ocular dermal photoreception in the pond snail Lymnaea stagnalis . Brain Res. 951 , 107–112.

    Ito E. , 'Non-ocular dermal photoreception in the pond snail Lymnaea stagnalis ' (2002 ) 951 Brain Res. : 107 -112 .

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  • Wagatsuma, A., Sugai, R., Chono, K., Azami, S., Hatakeyama, D., Sadamoto, H., Ito, E. (2004) The early snail acquires the learning, comparison of scores for conditioned taste aversion between morning and afternoon. Acta Biol. Hung. 55 , 149–155.

    Ito E. , 'The early snail acquires the learning, comparison of scores for conditioned taste aversion between morning and afternoon ' (2004 ) 55 Acta Biol. Hung. : 149 -155 .

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Cover Acta Biologica Hungarica
Acta Biologica Hungarica
Print ISSN:
0236-5383
Online ISSN:
1588-256X

Senior editors

Editor(s)-in-Chief: Elekes, Károly

Editorial Board

    1. Csányi, Vilmos (Göd)
    1. Dudits, Dénes (Szeged)
    1. Falus, András (Budapest)
    1. Fischer, Ernő (Pécs)
    1. Gábriel, Róbert (Pécs)
    1. Gulya, Károly (Szeged)
    1. Gulyás, Balázs (Stockholm)
    1. Hajós, Ferenc (Budapest)
    1. Hámori, József (Budapest)
    1. Heszky, László (Gödöllő)
    1. Hideg, Éva (Szeged)
    1. E. Ito (Sanuki)
    1. Janda, Tibor (Martonvásár)
    1. Kavanaugh, Michael P. (Missoula)
    1. Kása, Péter (Szeged)
    1. Klein, Éva (Stockholm)
    1. Kovács, János (Budapest)
    1. Brigitte Mauch-Mani (Neuchâtel)
    1. Nässel, Dick R. (Stockholm)
    1. Nemcsók, János (Szeged)
    1. Péczely, Péter (Gödöllő)
    1. Roberts, D. F. (Newcastle-upon-Tyne)
    1. Sakharov, Dimitri A. (Moscow)
    1. Singh, Meharvan (Fort Worth)
    1. Sipiczky, Mátyás (Debrecen)
    1. Szeberényi, József (Pécs)
    1. Székely, György (Debrecen)
    1. Tari, Irma (Szeged)
    1. Vágvölgyi, Csaba (Szeged),
    1. L. Zaborszky (Newark)

 

Acta Biologica Hungarica
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Phone: (36 87) 448 244 ext. 103
Fax: (36 87) 448 006
E-mail: elekes@tres.blki.hu

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Acta Biologica Hungarica
Language English
Size  
Year of
Foundation		 1950
Publication
Programme		 changed title
Volumes
per Year		  
Issues
per Year		  
Founder Magyar Tudományos Akadémia
Founder's
Address		 H-1051 Budapest, Hungary, Széchenyi István tér 9.
Publisher Akadémiai Kiadó
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5383 (Print)
ISSN 1588-256X (Online)

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