Mormyriformes

例句：

1. 1. Mormyriformes area group of organisms that have lostthe ability to metamorphose.
   Mormyriformes是一类已经失去了变态能力的生物。
2. 2. Mormyriformes arefound in various ecosystems, including freshwater and marine environments.
   Mormyriformes存在于各种生态系统中，包括淡水和海洋环境。
3. 3. Mormyriformes playan important role in the foodchain by providing nutrients for other organisms.
   Mormyriformes在食物链中起着重要作用，为其他生物提供养分。