Giant Pacific Octopusミズダコ
Enteroctopus dofleiniLC— Least Concern
The giant Pacific octopus is the largest octopus species in the world, ranging across the North Pacific from Japan to California. Renowned for its intelligence and problem-solving skills, it preys on crabs, shellfish, and fish, and females devote a final six months of life to guarding their eggs without eating.
Giant Pacific Octopus (reference photo)
Species Data
Did You Know?
- The largest recorded specimen measured about 9.1 m across and weighed 272 kg, making it the largest octopus species known. Source
- It is considered highly intelligent, capable of solving mazes and puzzles like unscrewing jar lids, and it can recognize individual human keepers. Source
- Females guard their eggs for roughly six months without feeding, and typically die shortly after the eggs hatch. Source
Where to See This Species
4 facilities · 0 individuals
越前松島水族館 (Echizenmatsushima Suizokukan)FukuiOpened in 1959
越前松島水族館のWikipedia記事に飼育種として記載 Source
Osaka Aquarium KaiyukanOsakaOpened in 1990
海遊館のWikipedia記事に飼育種として記載 Source
京都水族館 (Kyouto Suizokukan)KyotoJR「京都」駅中央口から徒歩約15分。
京都水族館のWikipedia記事に飼育種として記載 Source
犬吠埼マリンパーク (Inubousakimarin Park)Chiba
犬吠埼マリンパークのWikipedia記事に飼育種として記載 Source
Source links to official sites, official YouTube channels, and news aggregators such as Zoo Ring. Visit the publisher for the full item.
Conservation Story
Conservation Status
IUCNではLCとされる一方、海洋環境の変化や漁業の影響を見守る必要があります。
Habitat
北太平洋の冷水域にある岩礁、海底、岩陰。
Threats
- 海洋温暖化
- 海洋酸性化
- 漁獲圧
Conservation & Breeding Efforts
- 生息環境の継続的な観察
- 水族館での生態教育
Sources
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FAQ
- How big does a giant Pacific octopus get?
- Adults commonly reach 3-5 m across and weigh 10-50 kg, with the largest confirmed specimen measuring about 9.1 m and weighing 272 kg. Source
- How intelligent is the giant Pacific octopus?
- It is regarded as one of the most intelligent invertebrates, able to solve mazes and puzzles, use tools, and recognize individual human caretakers. Source
- What happens to females after they lay eggs?
- Females stop eating and guard their eggs continuously for about six months until they hatch, then die shortly afterward. Source
Source: ja.wikipedia.org en.wikipedia.org