Last Updated
：2025/12/04
three-spine stickleback
Noun
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。
（ plural ）
Quizzes for review
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.
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three-spine stickleback
The biologist carefully observed a three-spine stickleback in the tidepool, noting how its dorsal spines bristled when a crab approached.
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The biologist carefully observed a three-spine stickleback in the tidepool, noting how its dorsal spines bristled when a crab approached.
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