第 1168 號，共 1 402 號

Giant Pacific octopus

Enteroctopus dofleini

名字的由來： The species name dofleini honours the German scientist Franz Theodor Doflein.1

無害對人無害。不用擔心。

芋螺和章魚

咬吃：肉

對人的危險: 輕微跟蜜蜂螫差不多或更輕微。對人基本上無害。

The giant Pacific octopus is the largest octopus species on Earth. It lives along the coasts of the North Pacific, from Baja California up to Alaska and across to Japan and Korea. It plays an important part in the health of deep sea ecosystems.1

分布在

Coastal North Pacific: Baja California, US West Coast, Alaska, British Columbia, Russian Far East, Japan and Korea1

太平洋

首頁

It lives from the intertidal zone down to 2,000 m, in cold, oxygen-rich waters. It spends most of its time in dens, which can be caves, holes under rock, or rubbish on the seafloor such as bottles, tyres, pipes and barrels. Dens are often found in kelp and rocky areas.1

長度

4,3 m (14 ft)1

體重

15 kg 到 270 kg (33 lb 到 595 lb)1

最高速度

大約 25 km/h（16 mph）

游泳, 粗略估計

牠吃什麼？

It eats shrimp, crabs, scallops, abalones, clams, snails, lobsters, fish, squid and other octopuses. It catches its food with its suckers and bites it with a tough beak made of chitin. It has also been seen preying on small sharks and a seagull.1

Giant Pacific octopus 的照片 — Giant Pacific octopus。照片：Erin McKittrick。 CC BY 4.0, iNaturalist.

怎麼認出牠

It is the largest octopus species, with adults usually weighing around 15 kg.1
Its arm span can reach up to 4.3 m.1
Its largest suckers are about 6.4 cm across.1
It is well camouflaged and often hides in kelp or its den.1
Piles of shells and bones outside a den, called den litter, can show that one is nearby.1

毒液力量

咬

咬的時候，毒液會從毒牙或牙齒出來。

牠對人有多危險？

對人的危險: 輕微跟蜜蜂螫差不多或更輕微。對人基本上無害。

如果牠咬人

加壓固定法：用彈性繃帶緊緊包住咬傷處，再往上包住整條手臂或腿，用夾板固定，並讓傷者完全不動，直到救援抵達。
藍環章魚或芋螺會讓人在意識還清醒時就停止呼吸：馬上求救，並準備好做人工呼吸，直到救護人員接手。

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太平洋

牠有多大？

牠有多長？

牠有多重？

跟 14 隻狗一樣重

跟 4 隻狗從鼻子接到尾巴一樣長跟 24 根香蕉頭尾相接一樣長可以在 7,2 秒內游完一座大游泳池（50 公尺）

Giant Pacific octopus 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？

奧運游泳選手 大約 8 km/h (5 mph)

Giant Pacific octopus 大約 25 km/h (16 mph)

全速前進的海豚 大約 35 km/h (22 mph)

值得知道

小知識

Octopuses are ranked as the most intelligent invertebrates, and this species can recognise people it often meets and open childproof bottles.1

Its largest suckers can each support about 16 kg.1

The largest individual may have weighed 270 kg, with an arm span of 9.8 m, according to the fisherman who caught it.1

It spends about 94% of its time hidden in dens, kelp or camouflage.1

Unlike most octopuses, which live about one year, it lives three to five years.1

It is the largest octopus species on Earth.1

給毒液專家

學名: Enteroctopus dofleini
類群: 芋螺和章魚
家人: Enteroctopodidae2
排序: Octopoda
各大洲: 太平洋, 海洋
寶寶: The female lays between 120,000 and 400,000 eggs on a hard surface and guards them for about 6 months, until they hatch. She dies soon after the young hatch. Hatchlings are about the size of a grain of rice, and very few survive to adulthood.1
壽命: 大約 5 年1
對人的危險: 1 / 5: 輕微3