hypural notch The crease formed when the caudal fin is bent or flexed.
下骨凹槽当鳍被弯曲或弯曲的候,形成的。
hypural notch The crease formed when the caudal fin is bent or flexed.
下骨凹槽当鳍被弯曲或弯曲的候,形成的。
hypural bones The fan-shaped series of bones (sometimes fused to one or two plate-like bones) to which the caudal fin rays are attached.
下骨鳍鳍条附的扇形成列硬骨(有合成一或二个板状硬骨)。
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