Last Updated：2025/11/21
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The taxonomist measured the caudal peduncle carefully to distinguish between the two similar species.
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The taxonomist measured the caudal peduncle carefully to distinguish between the two similar species.
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caudal peduncle
Noun
Japanese Meaning
魚の尾びれがつく細い部分、つまり尾びれの付着部位 / 魚類学では、その部分の長さや幅、また付着している構造（例：外側の棘や尾鰭の近くの小鰭など）が、魚種の識別において重要な特徴とされる
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