鱼纹木柄短刀

写实产品展示风格，竖幅窄长构图，单把短刀垂直居中，刀尖朝上；深灰黑色金属刀刃，表面有锻打、划痕和磨损纹理，刀刃与刀柄衔接处有金属护手结构；刀柄为红棕色木质，整体略呈鱼形，表面有木纹，柄身两颗圆形金属铆钉，柄底雕刻鱼头、鱼鳍和鱼尾线条，末端有圆形小凹点；浅灰白色纯色背景，正面平视，柔和均匀光线，无强烈投影，清晰展示刀具材质与雕刻细节，画幅比例约1:5。

Realistic product-display style, narrow vertical composition, a single short knife centered upright with the blade tip pointing up; dark gray-black metal blade with forging, scratch and wear textures, a metal guard where blade meets handle; reddish-brown wooden handle roughly fish-shaped with wood grain, two round metal rivets, carved fish head, fins and tail lines at the lower end, and a small circular dot near the tip of the handle; light gray-white plain background, front view, soft even lighting, no strong shadow, clear material and carving details, aspect ratio about 1:5.