three-spine stickleback

Noun

Gasterosteus aculeatus, a small fish of coastal and inland waters of the Northern Hemisphere, that can make its spines erect when threatened, which makes it hard to swallow.

Japanese Meaning

北半球の沿岸や内陸水域に生息する小型の魚で、脅威を感じると体の棘（スパイン）を立てることで知られる。 / 学術名はGasterosteus aculeatusで、捕食者から自身を守るために棘を逆立てるため、飲み込まれにくい特徴がある。

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Google Translation / DeepL Translation

生物学者は潮だまりで、北半球の沿岸や内水域に生息し、危険を感じると背びれの棘を立てて飲み込みにくくする小型魚（Gasterosteus aculeatus）を注意深く観察し、カニが近づくとその棘が逆立つ様子を記録した。

Details

Sense（1）

Gasterosteus aculeatus, a small fish of coastal and inland waters of the Northern Hemisphere, that can make its spines erect when threatened, which makes it hard to swallow.

three-spine sticklebacks

（ plural ）

Details

three-spine stickleback

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