English Dictionary

caudal peduncle

名詞

(ichthyology) The narrow part of a fish's body to which the caudal or tail fin is attached. Its proportions, such as the length and breadth, and attached organs, such as spines of surgeonfishes or caudal keels and finlets of Scombridae often are important in descriptions of fish species.

日本語の意味

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

The taxonomist measured the caudal peduncle carefully to distinguish between the two similar species.

分類学者は、尾柄部（尾びれが付く魚の体の細い部分）を注意深く測定して、二種のよく似た魚を区別した。

意味（1）

(ichthyology) The narrow part of a fish's body to which the caudal or tail fin is attached. Its proportions, such as the length and breadth, and attached organs, such as spines of surgeonfishes or caudal keels and finlets of Scombridae often are important in descriptions of fish species.

caudal peduncles （ plural ）