Species of marine fish

According to the survey, there are about 6.5438+0.2 million species of marine fish.

There are 3 187 species of marine fish in China, which are generally classified into three categories.

1. First, Cyclostoma is the most primitive fish. ?

2. The second is cartilaginous fishes.

3. Third, bony fish.

Extended data:

marine fishes

Most marine vertebrates breathe through gills and move with fins. They have scales on their bodies, and generally have swim bladders and temperature changes in their bodies. There are more than 20,000 species of fish, of which about 6.5438+0.2 million are marine fish, which is the most prosperous fish group.

A brief history of research generally believes that the study of marine fish began with Aristotle, a Greek scholar in the 4th century BC.

In his book Zoology, he recorded 1 15 species of Aegean fishes, and made a systematic description of their structure, reproduction and migration.

Baidu encyclopedia-marine fish