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広告
Last Updated
：2025/11/23
killifish
（ plural ）
（ plural ）
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Any of a number of tiny fish in the Cyprinodontiformes order of ray-finned fish.
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killifish
The researcher spent years studying the mating behavior of a rare species of killifish that lives in temporary pools.
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The researcher spent years studying the mating behavior of a rare species of killifish that lives in temporary pools.
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