characin

例句：

1. 1.The characin is a small, colorful fish that can be found in many oceans.
   这种鱼是一种小而多彩的鱼类，可以在许多海洋中找到。
2. 2.The characin has a unique pattern on its body that attracts mates during mating season.
   这种鱼在身体上有一种独特的图案，在繁殖季节吸引配偶。
3. 3.The characin is an important food source for many marine animals.
   这种鱼是许多海洋动物的重要食物来源。