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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 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".
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.
A benthic predator, it feeds on a range of bony fishes, smaller sharks, crustaceans, and cephalopods. Like other catsharks, the nursehound is oviparous in reproduction. Females deposit large, thick-walled egg cases, two at a time, from March to October, securing them to bunches of seaweed. The eggs take 7–12 months to hatch.
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.
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 leopard catshark (Poroderma pantherinum) is a species of catshark, and part of the family Scyliorhinidae, endemic to the coastal waters of South Africa. Abundant in inshore waters under 20 m (66 ft) deep, this bottom-dweller favors rocky reefs , kelp beds , and sandy flats.