Notacanthiformes

例句：

1. 1.The Notacanthiformes are a group of fish that live in the oceans.
   无刺鱼纲是一类生活在海洋中的鱼类。
2. 2. Notacanthiformes are known for their unique color patterns and behavior.
   无刺鱼纲以其独特的色彩图案和行为而闻名。
3. 3. Researchers have been studying the life history and behavior of Notacanthiformes for decades.
   研究人员已经研究了无刺鱼纲的生活史和行为几十年了。