tropical and subtropical marine and freshwater fishes having an elongated body and long protruding lower jaw
例句
The abnormal growth rate appeared when daily ration was below 3.30% of body weight,implied that Japanese halfbeak may get other food resources besides supplied net zooplankton. 当日粮水平低于 3 .;30%25时;小鳞鱼箴生长表现异常;意味着它可能利用了网采浮游动物以外的其它食物源
1Relationship between ration levels and growth rates of halfbeak. 标题: 图1小鳞鱼箴生长率与日粮的关系 Fig.