魚類形態和身體部位
魚類形態和身體部位長度量度方法http://www.hk-fish.net/chi/database/feature/image/fish_pic.jpg 尾鰭的形狀http://www.hk-fish.net/chi/database/feature/image/candal.jpg 牙齒的種類和上頜的腹面http://www.hk-fish.net/chi/database/feature/image/teeth.jpg 魚鱗的種類http://www.hk-fish.net/chi/database/feature/image/scale.jpg
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