Ecophysiological investigation of the environmental adaptation of Korean mudskippers

朝鲜弹涂鱼环境适应的生态生理学调查

• 批准号: 15405028
• 负责人: ISHIMATSU Atsushi
• 金额: $ 7.81万
• 依托单位: Nagasaki University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (B)
• 财政年份: 2003
• 资助国家: 日本
• 起止时间: 2003 至 2005
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-15405028/
• 关键词: Mudskippers; Periophthalmus; Boleophthalmus; Tidalflat; Hibernation; Biodiversity; Korea; Life history; 生態系

The following points have been clarified through the 3 year project.1. Analysis of mitochondrial DNA of the mudskipper Boleophthalmus pectinirostris collected in Japan, Korea and China demonstrated that the Japanese population had been isolated from the populations of the Asian continent through geological isolation. Most of the Japanese species have been considered to have isolated from the mother populations in the Asian continent approximately 15,000 years ago, however, the isolation of the mudskipper is estimated to have occurred in much earlier time, 240,000-2,650,000 years ago.2. Measurements of endocrine disrupting substances in several locations along Korean coast indicated that lake Shiwa and adjacent locations are heavily contaminated by chemicals that exert female-hormone-like actions contained in sewage water from highly populated and industrialized areas.3. Body composition analysis of the mudskippers collected in Yoesu estuaries shortly before hibernation period demonstrated liver weight and body fat content, which are 2.5 times higher than those observed for Japanese individuals. Hibernation period in Korean south coasts is estimated to be 2 months longer than in Japan, and the high fat content of the Korean fish is an adaptation for the storage of body energy to reduce morality during hibernation periods.

通过3年的项目，澄清了以下几点1.对采自日本、韩国和中国的大弹涂鱼的线粒体DNA分析表明，通过地理隔离，日本种群已与亚洲大陆的种群隔离。大多数日本物种被认为是在大约15,000年前从亚洲大陆的母种群中分离出来的，然而，据估计，分离的时间要早得多，在240,000-2,650,000年前。对韩国沿海几个地点的内分泌干扰物质的测量表明，来自人口稠密和工业化地区的污水中含有女性荷尔蒙样活动的化学物质严重污染了世外湖和邻近地点。对越冬期前不久在育州河口采集的弹涂鱼的身体成分分析显示，肝脏重量和体脂含量比观察到的日本个体高2.5倍。据估计，韩国南部海岸的冬眠期比日本长2个月，韩国鱼的高脂肪含量是对冬眠期间身体能量储存的一种适应，以降低死亡率。

项目成果

トビハゼ・ムツゴロウの卵保護と空気の利用

弹涂鱼和弹涂鱼的卵保护和空气利用

• 发表时间: 2003
• 期刊: 海洋 35
• 作者: 石松惇;吉田雄;糸岐直子;鳥羽敦史;竹田達右
• 通讯作者: 竹田達右

有明海・八代海沿岸の河口干潟におけるムツゴロウの分布と生息密度

有明海和八代海沿岸河口滩涂弹涂鱼的分布和密度

• 发表时间: 2005
• 期刊: 魚類学雑誌 52
• 作者: 竹垣 毅;和田年史;兼森雄一;夏苅 豊
• 通讯作者: 夏苅 豊

Overwintering habitat and low-temperature tolerance of the young mudskipper Boleophthalmus pectinirostris

弹涂鱼幼鱼越冬栖息地及低温耐受性

• 发表时间: 2005
• 期刊: Nippon Suisan Gakkaishi 72(5)
• 作者: Takegaki;T.;Fujii;T.;Ishimatsu;A.
• 通讯作者: A.

The eggs and larvae of the giant mudskipper, Periophthalmodon schlosseri, collected form a mudflat in Penang, Malaysia.

在马来西亚槟城的一片泥滩上收集到了巨型弹涂鱼 Periolookingmodon schlosseri 的卵和幼虫。

• 发表时间: 2003
• 期刊: Ichthyological research 50(2)
• 作者: Tsuhako;Y.;A;Ishimatsu;T;Takeda;Khoo K.H;K.Tachihara
• 通讯作者: K.Tachihara