第 0454 号，共 1 402 张

Florida cottonmouth

Agkistrodon conanti

名字的由来： It is named in honour of Roger Conant, a herpetologist (reptile and amphibian scientist) and friend of the scientist who first described it.1

需要看医生很少致命，但被咬了要去看医生。

蝮蛇

咬伤

对人的危险: 严重被咬了要去看医生。死亡非常罕见。

The Florida cottonmouth is a thick-bodied venomous pit viper that lives in the southeastern United States. It is found in wetlands across Florida and southern Georgia, including on some offshore islands. It matters because its venom can be lethal, and it is often mistaken for harmless watersnakes.1

生活在

Southeastern United States: the Florida peninsula, including the Florida Keys as far as Big Pine Key, and southern Georgia1

北美洲

首页

It lives in nearly every type of wetland in its range, including brackish water, cypress ponds and wet prairies. It is occasionally found up to 1.6 km from surface water, and in some areas it is seen in wet pine and palmetto areas. It tends to gather around drying water holes, where prey is concentrated.1

长度

76 cm到1.9 m (2.5 ft到6.2 ft)1

体重

4.6 kg (10 lb)1

最高速度

约 3.6 公里/小时（2.2 英里/小时）

在陆地上, 粗略估计

Florida cottonmouth的照片 — Florida cottonmouth。照片：William J. Deml。 CC BY 4.0, iNaturalist.

怎样认出它

Adults are usually 76 to 122 cm long, with a thick body and a broad head.1
The head has bold black stripes on each side of the cheeks, edged above and below with light cream or white lines.1
The body is olive brown, dark brown or black, with 10 to 17 dark bands. Adults often grow darker and their bands can be faint or absent.1
Newborns and young snakes are clay-red or 'red dirt' in colour, with the same pattern as adults.1
A pair of dark vertical lines runs down the tip of the snout.1

常被误认为： It is often confused with harmless watersnakes (Nerodia) and other semi-aquatic snakes that share its habitat. The Florida cottonmouth has a longer tail, with a relative tail length of about 17.4% in adult and subadult males. Its head markings are lighter, cleaner and more sharply defined, even in older snakes.1

毒液之力

咬伤

它咬的时候，毒液通过毒牙或牙齿出来。

它的毒液会造成什么？

Its venom is very hemolytic, meaning it destroys red blood cells. It also causes relatively extensive necrosis, which is death of body tissue, compared with many other snake venoms. Its venom can sometimes be lethal.1

它对人有多危险？

对人的危险: 严重被咬了要去看医生。死亡非常罕见。

The venom can sometimes be lethal, with a 17% mortality rate.1

如果它咬人

让人保持安静不动，被咬的肢体与心脏保持同一高度，摘下戒指和紧身物品，尽快送医院。

一定先拨打你的急救电话（112、000、911）。这里是一般急救指导，不是医疗建议。急救基础

注意安全

永远不要摸、抓或逗弄野生动物，即使是很小的，即使它看起来在睡觉或已经死了。
给它留出空间。如果遇到它，保持冷静，慢慢后退，让它走自己的路。
如果被它咬了：保持冷静，保持不动，拨打你的急救电话（112、000、911）或尽快去医院。记住它长什么样，拍张照片会有帮助。

它不是冲着你来的。它用毒液捕猎或保护自己，而且它更愿意躲起来。更多安全知识

在世界哪里？

非洲亚洲欧洲北美洲南美洲澳大利亚和大洋洲

它有多大？

它有多长？

它有多重？

和 1 只家猫一样重

和 4 只家猫鼻子接尾巴一样长和 10 根香蕉首尾相接一样长差不多和一只家猫一样重100 秒就能跑完 100 米（最快的人需要 9.6 秒）

Florida cottonmouth和你比起来有多大？

只是在你的浏览器里算一算。什么都不会被保存或发送到任何地方。

它有多快？

一只陆龟 约 0.3 公里/小时 (0.19 mph)

Florida cottonmouth 约 3.6 公里/小时 (2.2 mph)

一个在走路的人 约 5 公里/小时 (3.1 mph)

值得了解

事实

It has more than 20 colloquial names, including water moccasin, pond moccasin, swamp lion and water rattlesnake.1

The largest recorded specimen, from Marion County, Florida, weighed 4.6 kg.1

Females usually breed only every other year.1

谣言粉碎机

谣言： It is a harmless watersnake.

真相： It is a venomous pit viper. Its venom can be lethal, and it is easily confused with harmless watersnakes.1

给毒液专家

学名: Agkistrodon conanti
类别: 蝮蛇
家人: Viperidae2
排序: Squamata
大洲: 北美洲
宝宝: It gives birth to live young (ovoviviparous), usually 6 to 8 per litter, with a range of 1 to 15. Newborns average 18 cm long.1
对人的危险: 3 / 5: 严重3