Manta rays, pronounced as fü fè n, are large fish that live in the ocean. Below I will introduce the marine life manta rays in detail from several aspects.

First of all, manta rays are relatively large, with the smallest species exceeding 1 meter long and the largest species even reaching 8 meters long. Their bodies are oval, their heads are small, their mouths are wide, their eyes are on both sides of their heads, and their bodies are covered with tiny scales. Manta rays have very wide pectoral fins, which spread like a pair of wings and can soar freely in the water.

Secondly, manta rays are filter-feeding fish, mainly feeding on plankton. When they eat, they open their mouths, swallow seawater and plankton into their mouths, and then discharge seawater through their gills, leaving food in their mouths. Manta rays eat a lot and can eat 10% of their own weight every day.

In addition, manta rays are a very flexible fish, which can make all kinds of complicated movements in the water. They can swim fast, even jump and roll in the water. Manta rays have a well-developed nervous system, which is very perceptive and can sense the surrounding magnetic and electric fields, so that they can walk freely in the water.

Finally, manta rays are a very important marine life. They play an important role in the marine ecosystem and are the main food sources for many large fish and marine mammals. In addition, manta rays can also help maintain the balance of marine ecology, and control the number of plankton by filtering, thus affecting the health of the entire marine ecosystem.

In a word, manta rays are a very interesting marine life with unique physiological characteristics and ecological value. We should pay attention to the research and protection of manta rays and make contributions to our marine ecosystem.