The skeleton of a bird or fish is an inside bony support.

鸟或鱼的骨架是骨质的内部支撑物。

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Fish generally respire through gills. most bony fish es have a swim bladder a gas-filled organ used to adjust swimming depth.

一般是经由鳃呼吸。大部分硬骨鱼有鳔，这是源于消化管的憩室，司控制浮力或为辅助呼吸器官。

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Perch: snub-nosed bony freshwater fish with an oval body and a spiny dorsal fin; the flesh of this fish is highly valued.

鲈鱼：塌鼻子、食肉性淡水硬骨鱼类，椭圆形的身体、多刺的背鳍；肉质美味。

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Perch: snub-nosed bony freshwater fish with an oval body and a spiny dorsal fin; the flesh of this fish is highly valued.

鲈鱼：塌鼻子、食肉性淡水硬骨鱼类，椭圆形的身体、多刺的背鳍；肉质美味。

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