Petrocelis

例句：

1. 1. The petrocelis is a rare species of fish that lives in the deep ocean.
   深海鱼是一种罕见的鱼类，生活在深海中。
2. 2. The petrocelis has been found in many parts of the world, including the Arctic and Antarctic regions.
   深海鱼已在世界各地发现，包括北极和南极地区。
3. 3. The petrocelis is known for its unique coloration and behavior.
   深海鱼以其独特的颜色和行为而闻名。