Both species belong to the Hexanchidae family, commonly known as cow sharks, considered among the most primitive groups of sharks.
Study: Loss of great white sharks alters entire ecosystems
A new study has documented unexpected consequences following the decline of great white sharks from an area off South Africa. The study found that the disappearance of great whites has led to the emergence of sevengill sharks, a top predator from a different habitat. A living fossil, sevengill sharks closely resemble relatives from the Jurassic […]
Sharks facing even bigger predator in Cape Town
Large, predatory sharks occupy the top of ocean food chains, where they play important roles in maintaining diverse and healthy ecosystems. The loss of these predators can therefore have significant impacts on ecosystems. For a long time broadnose sevengill sharks have occupied the apex of the food chain alongside the more famous great white […]