東京湾
http://blog-imgs-53.fc2.com/r/e/i/reia72/IMG_8922_R.jpg
https://pbs.twimg.com/ext_tw_video_thumb/883963904065282048/pu/img/WV3-AdqKb1p7e454.jpg
http://img-cdn.jg.jugem.jp/f8d/63716/20120620_2465639.jpg

大阪湾
http://www.geocities.co.jp/AnimalPark-Shiro/2319/mable3.jpg
http://chimata-info.com/blog/wp-content/uploads/2015/04/%E3%82%A2%E3%82%B8%E3%83%A5%E3%83%BC%E3%83%AB%E8%88%9E%E5%AD%90.jpg
http://www.asahicom.jp/eco/news/images/OSK201209050064.jpg