在绝大部分海洋真骨类鱼的早期生活中,其视觉灵敏度对避开食肉动物和搜捕食物是极其重要的。大部分海洋真骨类幼鱼的个体发育主要是搜捕食物和发展暗视力,这样就可以在黑暗处靠一些感官捕获食物。把鱼类24小时摄食周期性分成三种:白天摄食、晚上摄食和黎明摄食。这三种摄食习性也存在于养殖鱼类中。花身鸡鱼幼鱼有生长率高和肉质丰美的特点,在台湾和澎湖 In the early life of most marine bonefish, its visual acuity is extremely important in avoiding carnivores and hunting for food. Most juveniles of marine real bones tend to hunt for food and develop dark eyesight so that they can catch food in the darkness by some senses. The 24-hour feeding of fish is periodically divided into three types: daytime feeding, evening feeding and dawn feeding. These three feeding habits also exist in farmed fish. Hibiscus juveniles have the characteristics of high growth rate and fleshy quality in Taiwan and Penghu