The coelacanth, often referred to as a "living fossil," was linked to the dinosaur era and belonged to a group of fish that also included lungfish and tetrapods. The research paper showed that ...

Later, experiments conducted from a submersible confirmed that coelacanths can detect and respond to electrical fields in the water, strongly implicating the rostral organ for this role.

and thus are closely related to lungfish and tetrapods-the backboned animals with arms and legs such as frogs, emus, and mice-than most other fishes are. The coelacanths have lived on Earth for ...