hypural notch The crease formed when the caudal fin is bent or flexed.
凹槽当鳍被弯曲或弯曲的时候,形成的摺痕。
hypural notch The crease formed when the caudal fin is bent or flexed.
凹槽当鳍被弯曲或弯曲的时候,形成的摺痕。
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.
鳍鳍条附的扇形成列(有时融合成一或二个板状)。
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