K. Onitsuka, J. Akiyama, Akiyoshi Yamamoto, T. Waki
{"title":"统计水体中孤立阿育鱼的游泳行为","authors":"K. Onitsuka, J. Akiyama, Akiyoshi Yamamoto, T. Waki","doi":"10.2208/PROHE.52.1195","DOIUrl":null,"url":null,"abstract":"Schooling behavior of fish and interaction between a few individual fish in schooling have been investigated. However, swimming behavior of isolated fish has not been investigated. In this study, the swimming behavior of isolated ayu in the circular pools with changing the radius was recorded with a digital video camera. It was found that the swimming trajectory of ayu can be described by nodes and branches. The frequencies of the swimming distance and angle between each branch are modeled by the gamma distribution. The mean swimming distance of each branch divided by the body length is 2.51 and the mean angle between each branch is 72.5. The directions of angle between each branch do not depend on the swimming distance and also the angle just before the swimming.","PeriodicalId":11343,"journal":{"name":"Doboku Gakkai Ronbunshuu B","volume":"1998 1","pages":"1195-1200"},"PeriodicalIF":0.0000,"publicationDate":"2008-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"SWIMMING BEHAVIOR OF ISOLATED AYU IN STATISTIC WATER\",\"authors\":\"K. Onitsuka, J. Akiyama, Akiyoshi Yamamoto, T. Waki\",\"doi\":\"10.2208/PROHE.52.1195\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Schooling behavior of fish and interaction between a few individual fish in schooling have been investigated. However, swimming behavior of isolated fish has not been investigated. In this study, the swimming behavior of isolated ayu in the circular pools with changing the radius was recorded with a digital video camera. It was found that the swimming trajectory of ayu can be described by nodes and branches. The frequencies of the swimming distance and angle between each branch are modeled by the gamma distribution. The mean swimming distance of each branch divided by the body length is 2.51 and the mean angle between each branch is 72.5. The directions of angle between each branch do not depend on the swimming distance and also the angle just before the swimming.\",\"PeriodicalId\":11343,\"journal\":{\"name\":\"Doboku Gakkai Ronbunshuu B\",\"volume\":\"1998 1\",\"pages\":\"1195-1200\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2008-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Doboku Gakkai Ronbunshuu B\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.2208/PROHE.52.1195\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Doboku Gakkai Ronbunshuu B","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2208/PROHE.52.1195","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
SWIMMING BEHAVIOR OF ISOLATED AYU IN STATISTIC WATER
Schooling behavior of fish and interaction between a few individual fish in schooling have been investigated. However, swimming behavior of isolated fish has not been investigated. In this study, the swimming behavior of isolated ayu in the circular pools with changing the radius was recorded with a digital video camera. It was found that the swimming trajectory of ayu can be described by nodes and branches. The frequencies of the swimming distance and angle between each branch are modeled by the gamma distribution. The mean swimming distance of each branch divided by the body length is 2.51 and the mean angle between each branch is 72.5. The directions of angle between each branch do not depend on the swimming distance and also the angle just before the swimming.
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