Last Updated
：2025/12/04
three-spined stickleback
Noun
Japanese Meaning
北半球の沿岸や内陸の水域に生息する小型の魚。脅かされると体の棘（スパイン）を直立させ、防御行動を取る特徴がある。科学名はGasterosteus aculeatus。
（ plural ）
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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-spined stickleback
The three-spined stickleback uses its erect spines to deter predators, making it difficult for birds and larger fish to swallow.
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The three-spined stickleback uses its erect spines to deter predators, making it difficult for birds and larger fish to swallow.
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