The coelacanth is often referred to as a "living fossil" because it has remained largely unchanged for millions of years. However, a recent study has found that the coelacanth has actually evolved dozens of new genes in the past few million years. This finding suggests that the coelacanth is not a living fossil, but rather a species that has continued to evolve over time.

The study, which was published in the journal Nature, analyzed the genomes of two coelacanth species: the Indonesian coelacanth (Latimeria menadoensis) and the West Indian Ocean coelacanth (Latimeria chalumnae). The researchers found that the two species share a common ancestor that lived around 66 million years ago. Since then, the two species have diverged and evolved independently.

The researchers identified 61 new genes that have evolved in the coelacanth since its common ancestor with the West Indian Ocean coelacanth. These genes are involved in a variety of functions, including immune response, reproduction, and metabolism. The researchers believe that these new genes have helped the coelacanth to adapt to its changing environment and survive for millions of years.

The finding that the coelacanth has evolved new genes challenges the traditional view of this species as a living fossil. It suggests that the coelacanth is a dynamic species that has continued to evolve over time. This finding also has implications for our understanding of evolution. It shows that even species that have remained largely unchanged for millions of years can still evolve new genes and adapt to their changing environment.