第 0455 號，共 1 402 號

Castellana

Agkistrodon howardgloydi

名字的由來： Castellana is the feminine Spanish word for Castilian or Spaniard, though how it came to be used for this snake is unclear. The scientific name honours Howard K. Gloyd, an expert on pit vipers.1

可能致命不治療的話可能會害死你。如果牠咬了你，要趕快求救。

蝮蛇

咬吃：肉

對人的危險: 非常危險如果沒有治療，牠可能會害死一個人。

Castellana is a rare pit viper, a venomous snake that lives in dry forests on the Pacific side of Central America. It is a stout, medium-sized snake. Scientists know little about its bites, but lab tests suggest its venom is highly toxic.1

分布在

Central America: Pacific coast of Honduras, Nicaragua and extreme northwest Costa Rica1

北美洲

首頁

It lives in tropical dry forest and lowlands on the Pacific coast, from near sea level up to about 600 m. Much of the lowland dry forest in Mesoamerica has been cleared for farming and ranchland.1

長度

96 cm (3,1 ft)1

最高速度

大約 3,5 km/h（2,2 mph）

在陸地上, 粗略估計

牠吃什麼？

Young snakes eat frogs and lizards, while adults eat lizards, mice and rats. Fish, birds, eggs and rodents have also been found in its diet.1

Castellana 的照片 — Castellana。照片：RatioTile。 CC BY-SA 4.0, Wikimedia Commons.

怎麼認出牠

A stout, medium-sized snake, up to 96 cm long including the tail.1
Light to medium reddish-brown body with broad brown crossbands: 10 to 14 in males and 13 to 17 in females.1
Two pale stripes on each side of the head.1
Chin and throat are orange or orange-brown, lighter than the belly.1
Large adult males are often very dark. Young snakes are paler, sometimes bright red.1

常被誤認為： Copperheads lack the two pale stripes on each side of the face, and cottonmouths lack the loreal scale (a small scale between the eye and nostril). Other cantils have a lower face stripe that runs straight and unbroken, while in this species it dips below the pit.1

毒液力量

咬

咬的時候，毒液會從毒牙或牙齒出來。

牠的毒液有什麼作用？

Lab tests suggest the venom is highly toxic and similar to that of its close relative Agkistrodon bilineatus, and potentially lethal. No clinical reports of bites had been published as of 1999, so the effects on people are not well documented.1

牠對人有多危險？

對人的危險: 非常危險如果沒有治療，牠可能會害死一個人。

No clinical reports of bites had been published as of 1999, so there is little human data on its danger. Lab analysis suggests the venom could be lethal.1

如果牠咬人

讓傷者保持不動和冷靜，讓被咬的手臂或腿保持在和心臟一樣的高度，取下戒指和緊身的東西，並趕快送醫院。

一定要先打緊急電話（112、000、911）。這是一般急救指引，不是醫療建議。急救基本知識

注意安全

絕對不要碰、抓或捉弄野生動物，就算是很小的動物，就算牠看起來在睡覺或已經死了也一樣。
給牠空間。如果遇到了，保持冷靜，慢慢往後退，讓牠自己離開。
如果被牠咬了：保持冷靜，保持不動，打緊急電話（112、000、911）或趕快去醫院。記住牠的樣子，有照片會很有幫助。

牠不是想來抓你。牠用毒液來捕捉食物或保護自己，而且牠更想躲起來。更多安全知識

在世界上的哪裡？

非洲亞洲歐洲北美洲南美洲澳洲與大洋洲

牠有多大？

牠有多長？

跟 2 隻家貓從鼻子接到尾巴一樣長跟 5 根香蕉頭尾相接一樣長可以在 100 秒內跑完 100 公尺（最快的人類需要 9.6 秒）

Castellana 跟「你」比起來有多大？

只是在你的瀏覽器裡做算術。什麼都不會儲存，也不會傳送到任何地方。

牠有多快？

一隻陸龜 大約 0,3 km/h (0,19 mph)

Castellana 大約 3,5 km/h (2,2 mph)

一個正在走路的人 大約 5 km/h (3,1 mph)

值得知道

小知識

Its diet changes as it grows: young snakes eat cold-blooded prey such as frogs and lizards, while adults eat warm-blooded prey such as mice and rats.1

It is a rare snake, found only along a narrow strip of lowland less than 400 km long.1

In the 1990s, searches in the Gulf of Fonseca area of Honduras found very few, or possibly no, snakes.1

給毒液專家

學名: Agkistrodon howardgloydi
類群: 蝮蛇
家人: Viperidae2
排序: Squamata
各大洲: 北美洲
寶寶: It gives birth to live young (viviparous), with females giving birth in the rainy season from May to August.1
牠在野外的狀況: Endangered (2013 assessment, which has no political or legal standing)1
對人的危險: 4 / 5: 非常危險3