Haploblepharus: Happy Sharks
Shark Family Tree

Haploblepharus: Happy Sharks

The Genus Haploblepharus includes four species of Scyliorhinidae (catsharks) endemic to the Southeast Atlantic and Indian Oceans off the coast of southern Africa. These small, broad-snouted sharks have been observed curling their caudal fins over their heads as a form of defense, earning them the common name “Shyshark.” They also have local nicknames based on their scientific names: Happy Eddie, Plain Happy, Happy Chappie and Pretty Happy. Continue reading

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Happy Eddie (Haploblepharus edwardsii)
Shark Family Tree

Happy Eddie (Haploblepharus edwardsii)

Haploblepharus edwardsii is endemic to South Africa, and a recent taxonomic revision has shown that this species occurs from Langebaan Lagoon, Western Cape, to Algoa Bay, Eastern Cape. In the west of its range it prefers shallow rocky reef and kelp forest, however, in the east of its range it prefers deeper water on sandy bottom. Continue reading

What makes a shark a ‘shark’?
More on Sharks

What makes a shark a ‘shark’?

“Shark” is a broad term referring to all sharks and their relatives, which are jawed fish with cartilaginous skeletons. There are no true bones present in a shark’s skeleton, fins or scales.   Scientifically known as Chondrichthyans (Greek for ‘cartilage fish’), sharks and their relatives are split into two subclasses: Elasmobranchii (sharks, rays and skates) … Continue reading

Draughtsboard Shark (Cephaloscyllium isabellum)
Shark Family Tree

Draughtsboard Shark (Cephaloscyllium isabellum)

Swellsharks are something strange indeed. They are able to expand their stomachs with gulps of water and greatly increase their size to wedge their bodies in rock crevices, away from predators. They are known to “bark” which surprised scientists, because these sharks lack the sound-producing organs found in some bony fish. Researchers believe that the … Continue reading