魚類學相關名詞中英對照
名詞 定義　
hypural The bony structure (often fan-shaped) that chiefly is composed of the expanded, flattened and partially fused hemal spines (ventral extensions of the vertebrae), and that supports the caudal-fin rays in most bony fishes; when counting vertebrae, when counting vertebrae, this composite element is treated as a single vertebra and included in the count. Amia has 10 hypurals, Salmo 7 but in most teleosts the number is reduced or fused into a single structure, the urostyle. 　
尾下的 主要地組成份子為骨質結構(時常是扇形的)延伸，平坦而且部份融合血棘(脊椎骨的腹面延伸)的，在大多數的硬骨魚類支持尾鰭鰭條；當計算脊椎骨的時候，這一個組成因素被視為單一脊椎骨而且包含在內計數。弓鰭魚有十個尾下骨，斑鱒屬有七個，但是在多數硬骨魚數字比較小或融合成為單一結構，尾桿骨。　
※中文內容系使用機器由英文內容翻譯。