The coelacanth is often referred to as a "living fossil" because it has remained relatively 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.

The study, published in the journal Nature Genetics, analyzed the genomes of two coelacanth species: the Indonesian coelacanth and the African coelacanth. The researchers found that the two species shared a common ancestor about 66 million years ago. Since then, the two species have diverged significantly, with the Indonesian coelacanth evolving many new genes that are not found in the African coelacanth.

The new genes that have evolved in the Indonesian coelacanth are involved in a variety of functions, including reproduction, immunity, and metabolism. Some of the new genes are also involved in the development of the coelacanth's unique fins and scales.

The study's findings challenge the traditional view of the coelacanth as a "living fossil." The coelacanth has actually evolved quite a bit in the past few million years, and it continues to evolve today.

The study's findings also provide insights into the evolution of other animals. The coelacanth is a member of the lobe-finned fish group, which is the group of fish that gave rise to amphibians and eventually land animals. By studying the evolution of the coelacanth, scientists can learn more about the evolution of land animals and the development of new genes.