Whale Shark, Australia
http://photography.nationalgeographic.com/photography/photo-of-the-day/whale-shark-skerry/
Huge, docile whale sharks live in oceans around the world,
but no one knows where they breed, their migration routes,or even how many there are.
Whale sharks owe their name to their size: up to 20 meters long and 37 tons.
docile おとなしい
breed 子を産む、繁殖する
migration routes 移動ルート
