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Walking catfish

Clarias batrachus
名字的由來： It is named for its ability to 'walk' and wiggle across dry land to find food or better places to live.1
只是會痛不要碰會痛，但不會對你造成嚴重傷害。
有毒液的魚 有毒液的棘刺吃：每樣都來一點
對人的危險: 疼痛可能會非常痛，但幾乎從來不會很嚴重。

The walking catfish is a freshwater fish that can crawl across wet land to reach new water. It lives in Southeast Asia and has also been introduced to places such as Florida. Its spiny defence is the reason it needs careful handling.1

分布在
Native to maritime Southeast Asia; introduced to Florida and other US states1
亞洲
首頁
It lives in slow-moving or stagnant water, including ponds, swamps, streams, rivers, flooded rice paddies and temporary pools that may dry up. It is often found in muddy ponds, canals and ditches, mostly on or near the bottom.1
長度
50 cm (1,6 ft)1
體重
1,2 kg (2,6 lb)1
最高速度
大約 6 km/h（3,7 mph）
游泳, 粗略估計
牠吃什麼？
It eats smaller fish, molluscs and other invertebrates, as well as detritus and aquatic weeds. It is a fast, voracious eater that uses up food supplies quickly.1
是真的！Walking catfish 的照片
Walking catfish。照片：Wie146。 CC BY-SA 4.0, iNaturalist.

怎麼認出牠

  • Elongated body, grey or grey-brown in colour1
  • Often covered on its sides with small white spots1
  • Long dorsal and anal fins, and several pairs of sensory barbels1
  • Scaleless skin covered in mucus1
  • No adipose fin, a small fleshy fin on the back near the tail1

常被誤認為： It is often confused with North American ictalurid catfish and with close relatives such as C. magur. The walking catfish can be told apart from the North American ictalurid catfish because it lacks an adipose fin.1

毒液力量

有毒液的棘刺

尖銳的棘刺帶著毒液。踩到或抓到牠都會很痛。

牠對人有多危險？

對人的危險: 疼痛可能會非常痛，但幾乎從來不會很嚴重。

It must be handled carefully when fished because of its embedded sting or thorn-like spines. It is also harmful as an invasive species, because it eats the food of native fish, preys on their young and can destroy fish farms.1

牠害怕時會做什麼？

It has a sting or thorn-like spine hidden behind its fins, which it uses to defend itself.1

如果牠的棘刺刺到你

  • 把傷口泡在熱水裡，水溫要在傷者能忍受、又不會燙傷的範圍內（先用你自己的手試水溫），泡 30 到 90 分鐘。要就醫，特別是被石頭魚和魟魚刺傷時。

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。
  • 如果被牠的棘刺刺到：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？

Walking catfish 大約 50 cm 長 (1,6 ft)一隻家貓 大約 50 cm (1,6 ft)一隻狗 大約 1 m (3,3 ft)

牠有多重？

跟 10 根香蕉一樣重
跟 3 根香蕉頭尾相接一樣長跟 16 塊玩具積木排成一排一樣長可以在 30 秒內游完一座大游泳池（50 公尺）

Walking catfish 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？

值得知道

小知識

1

It can survive 18 hours out of water.1

2

It moves over land with snake-like wiggles, using its pectoral fins to stay upright.1

3

In Florida, fish farmers have had to put up fences to protect their ponds from them.1

4

It often rises to the surface to gulp air, because it breathes air as well as using water.1

5

Walking catfish were imported to Florida in the early 1960s for aquaculture, and escapes led to wild populations.1

6

In Indonesia it is known as lele and is the main ingredient in dishes such as pecel lele.1

破解迷思

迷思： The walking catfish truly walks on land like a four-legged or two-legged animal.

真相： It does not walk in that way. It uses its pectoral fins to stay upright while it wiggles its body in snake-like movements.1

給毒液專家

學名
Clarias batrachus
類群
有毒液的魚
家人
Clariidae2
排序
Siluriformes
各大洲
亞洲
對人的危險
2 / 5: 疼痛3

知識的出處

  1. Walking catfish (Wikipedia (CC BY-SA 4.0))
  2. Clarias batrachus (iNaturalist): 名稱和分類。
  3. Venom Wiki: 危險等級、一般大小和速度估計都是我們自己定的。看看我們是怎麼算出來的： 我們怎麼評估危險.

這一頁的每個知識都有一個數字，指向它的出處。如果我們寫錯了，對不起，我們是動物迷，不是科學期刊。寫信到 [email protected] 告訴我們，我們會修正。

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同一類群的其他動物: 有毒液的魚

Giant freshwater stingray有毒液的魚需要看醫生Asian stinging catfish有毒液的魚需要看醫生不要碰Reef stonefish有毒液的魚可能致命不要碰Red lionfish有毒液的魚需要看醫生不要碰Estuarine stonefish有毒液的魚可能致命不要碰Short-tail stingray有毒液的魚可能致命

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