eucoiliform

例句：

1. 1.The eucoiliforms are a group of small, brightly colored fish that live in coral reefs.
   这些鱼是一群生活在珊瑚礁中的小型、色彩鲜艳的鱼类。
2. 2. The eucoiliforms are known for their vibrant colors and playful behavior.
   这些鱼以其鲜艳的颜色和活泼的行为而闻名。
3. 3. The eucoiliforms are an important part of the ecosystem, providing food and shelter for other marine life.
   这些鱼是生态系统的重要组成部分，为其他海洋生物提供食物和栖息地。