魚類學名詞

名詞 定義 rhomboidal Shaped like a rhomboid - a non-rectangular parallelogram; wedge-shaped. Said of a caudal fin that has the middle rays longest and the fin sides roughly straight. 楔形的 狀似菱型-一種非矩形的平行四邊形。對尾鰭的說法，意指中央鰭條最長而側邊鰭條約略地筆直。