Ghost sharks are also called chimaeras and are not actually sharks, but cartilaginous relatives of sharks and rays. They are rarely found and sightings of their young ones are even rarer, according to NIWA. Recommended Dogs can recognise owners by voice alone Massive ancient ‘killer’ croc discovered with baby dinosaur remains in its stomach Woman is cured of HIV in huge breakthrough for virus treatment Their embryos “ develop in egg capsules laid on the seafloor, feeding off a yolk until they ar