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Catshark may refer to: Scyliorhinidae , a family of ground sharks , many species of which are commonly referred to as "catshark". Pentanchidae , a family of ground sharks with the overall name deepwater catsharks, but many species are referred to as "catshark".
Graceful catshark (Proscyllium habereri) was first discovered by Hildendorf in 1901. [1] Proscyllium venustum is found in temperate regions. It is distributed along the Northwest Pacific, primarily Japan. These sharks are oviparous; they lay eggs in pairs in which the embryos feed solely on yolk. This species is considered harmless to humans. [2]
Catshark egg (mermaids' purse) Scyliorhinidae includes many species of catsharks, that like the chain dogfish, are oviparous and lay eggs in tough egg cases with curly tendrils at each end, known as "mermaid's purses", for protection, onto the seabed. [15] Almost a year is needed for a catshark to hatch from the egg.
The mud catshark or brown catshark (Bythaelurus lutarius) is a species of shark belonging to the family Pentanchidae, the deepwater catsharks. It is found in Mozambique and Somalia . Its natural habitat is the open seas of the western Indian Ocean , from Mozambique to Somalia , between latitudes 13° N and 29° S , at depths between 340 and 765 m.
Haploblepharus is a genus of deepwater catsharks, belonging to the family Pentanchidae, containing four species of shysharks.Their common name comes from a distinctive defensive behavior in which the shark curls into a circle and covers its eyes with its tail.
The broadnose sevengill shark is known to prey on the tiger catshark. The tiger catshark is a sluggish predator of a diverse array of benthic organisms. [4] Its diet is dominated by bony fishes and crustaceans, and also includes cephalopods, polychaete worms, smaller sharks, and scavenged fish offal.
Researchers have discovered evidence pointing to the first known case of a porbeagle shark — which can grow up to 12 feet long and 500 pounds — being killed by a large shark predator.
The blotchy swellshark or Japanese swellshark (Cephaloscyllium umbratile) is a common species of catshark, belonging to the family Scyliorhinidae. The Blotchy swellshark is found at depths of 90–200 m (300–660 ft) in the northwestern Pacific Ocean, from Japan to Taiwan. It is benthic in nature and favors rocky reefs.