Last Updated
：2025/11/22
hydrozoan
Noun
Japanese Meaning
ハイドロゾア亜綱に属する、群体性の刺胞動物。ハイドラ、ヒドロイド、ヒドロサンゴ、シフォンノフォアなどの種類が含まれる。
（ plural ）
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Any of many colonial coelenterates, of the class Hydrozoa, including the hydras, hydroids, hydrocorals, and siphonophores.
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hydrozoan
During the night dive, we watched a glowing hydrozoan drift past the coral shelf, its delicate tentacles waving like a ghostly fringe.
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During the night dive, we watched a glowing hydrozoan drift past the coral shelf, its delicate tentacles waving like a ghostly fringe.
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