keelback
/ˈkiːlbæk/noun
1- a harmless Australian snake which lives close to water, where it feeds exclusively on frogs and the cane toad, whose venom it is immune to澳洲遊蛇。
1.1
- Amphiesma mairii, family Colubridae.拉丁名Amphiesma mairii, 遊蛇科。
词源
so named because each scale on the back has a keel.