Scientists have discovered a rare and bizarre-looking fish, dubbed the demon cavefish, in the Bobcat Cave near Huntsville, Alabama. The newfound species is eyeless, features a hunchback, spiny rays, and a snout shape unlike that of other cavefish species.

Discovery and Characteristics

The demon cavefish was discovered by Matthew Niemiller, an associate professor of biological sciences at the University of Alabama in Huntsville, while surveying the cave system last year. The fish completely lacks pigment, and its brain can be seen through its translucent skin.

According to Jonathan Armbruster, curator of fishes at the Auburn University Museum of Natural History, the transparency of the fish is not uncommon in smaller fish that live in open water. However, the demon cavefish’s unique characteristics, such as its hunchback and spiny rays, set it apart from other cavefish species.

Conservation Status and Habitat

The demon cavefish is likely to be among the rarest fish in the world, with its population size presumed to be very small. The species is known to exist in a single site, and its habitat is limited to the Bobcat Cave system.

The discovery of the demon cavefish also suggests that there could be other unidentified species, even in intensively studied areas. The cave system where the fish was found is located beneath the U.S. Army’s Redstone Arsenal, which may provide some protection for the species.

Researchers are working to learn more about the demon cavefish, including its diet, reproduction, and population size. The discovery of this rare species highlights the importance of continued exploration and conservation of cave ecosystems.

Original reporting: 40/29 / KHBS (NW Arkansas) — read the source article.