caa a22 4500 47711640X CHVBK 20180405111623.0 cr unu---uuuuu 170330e19960901xx s 000 0 eng 10.1007/BF00002382 doi (NATIONALLICENCE)springer-10.1007/BF00002382 Annual and daily activity rhythms of loathes in an irrigation creek and ditches around paddy fields [Elektronische Daten] [Mayumi Naruse, Tadashi Oishi] Synopsis: This study deals with the daily activity rhythm and its change in a loath,Misgurnus anguillicaudatus, by season and age. We set traps in an irrigation creek and ditches around the paddy fields near Nara city every month for 2 years. The fish appeared in spring, declined in early summer, and increased in mid-summer again, and disappeared in late autumn. The number of fish captured at night was greater than that during the daytime in summer. There were some differences in the daily rhythms by sex and age. Nocturnal activities of males and immatures were more prominent than those of females. Younger generation were more nocturnally active than elders in summer. Changes in the daily activity rhythms of the loath are possibly adaptive to unstable environments around paddy fields. Kluwer Academic Publishers, 1996 Misgurnus anguillicaudatus nationallicence Seasonal change nationallicence Diurnal activity nationallicence Nocturnal activity nationallicence Flexibility nationallicence Gonadosomatic index (GSI) nationallicence Temporary water nationallicence Naruse Mayumi Division of Human Life and Environmental Science, Graduate School of Human Culture, Nara Women's University, 630, Nara, Japan aut Oishi Tadashi Department of Biology, Faculty of Science, Nara Women's University, 630, Nara, Japan aut Environmental Biology of Fishes Kluwer Academic Publishers; http://www.wkap.nl 47/1(1996-09-01), 93-99 0378-1909 47:1<93 1996 47 10641 https://doi.org/10.1007/BF00002382 text/html Onlinezugriff via DOI 1 brief-communication jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF00002382 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Naruse Mayumi Division of Human Life and Environmental Science, Graduate School of Human Culture, Nara Women's University, 630, Nara, Japan aut NATIONALLICENCE 700 1- Oishi Tadashi Department of Biology, Faculty of Science, Nara Women's University, 630, Nara, Japan aut NATIONALLICENCE 773 0- Environmental Biology of Fishes Kluwer Academic Publishers; http://www.wkap.nl/ 47/1(1996-09-01), 93-99 0378-1909 47:1<93 1996 47 10641 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer