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    Prickly dogfish - Wikipedia

    The prickly dogfish (Oxynotus bruniensis) is a poorly known species of dogfish shark in the family Oxynotidae, inhabiting temperate Australian and New Zealand waters. Reaching a length of 75 cm (30 in), this brown to gray shark has a very thick body with a prominent "humpback" and extremely rough ā€¦ Meer weergeven

    Australian ichthyologist James Douglas Ogilby originally described the prickly dogfish from a desiccated specimen discovered on a beach on Bruny Island off southeastern Tasmania, Australia. He published ā€¦ Meer weergeven

    With a very stout body and a highly arched back, the prickly dogfish has an unmistakable profile. Its head is slightly flattened, with a short rounded snout. The nostrils are ā€¦ Meer weergeven

    The prickly dogfish is occasionally caught incidentally by bottom trawlers, and probably discarded. Some sources indicate the numbers caught have declined ā€¦ Meer weergeven

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    An uncommon resident of temperate waters, the prickly dogfish occurs off Australia from Crowdy Head in New South Wales, around the southern coast of Tasmania, to ā€¦ Meer weergeven

    The unusual shape and sizable, oily liver of the prickly dogfish suggests it is a slow swimmer that can hover over the sea floor with minimal ā€¦ Meer weergeven

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    Oxynotus bru-niensis is one of five extant species in the family Oxynotidae, all of which are readily identified by their triangular body shape, sail-like dorsal fins, and enlarged dermal denticles (Ebert et al., 2013; Finucci et al., 2016).
    Oxynotus bruniensis exhibits a simplified enameloid microstruc-ture, which we compare with previously documented enameloid microstructures of other elasmobranchs. Though subtle interspecific differences in dental characters are documented, neither overall tooth morphology nor histotype and microstructure are unique to O. bruniensis.
    Therefore, estimations of the relative bite force of O. bruniensis in the absence of functional data should not be disproportionally influenced by tooth histotype. Oxynotus bruniensis has a very narrow dietary breadth, exclusively reliant upon the eggs of other chondrichthyans for food (Finucci et al., 2016).
    Another trend in phylogenetic analy-sis of Squaliformes is that Oxynotus is consistently recovered in close phylogenetic proximity to the genera Somniosus, Centroscymnus, and Scymnodon in multiple studies but with exact relationships differing slightly (Shirai, 1996; Klug and Kriwet, 2010; Da Silva et al., 2018).
  4. Oxynotus bruniensis (Squaliformes: Oxynotidae)

    WEBOxynotus bruniensis exhibits a simplified enameloid microstruc-ture, which we compare with previously documented enameloid microstructures of other elasmobranchs. Though subtle interspecific differences in dental ā€¦

  5. Reproductivebiologyandfeedinghabitsoftheprickly ā€¦

  6. Oxynotus bruniensis | Shark-References

  7. Reproductive biology and feeding habits of the prickly dogfish

  8. Oxynotus bruniensis, Prickly dogfish - FishBase

  9. Reproductive biology and feeding habits of the prickly dogfish

  10. Prickly Dogfish, Oxynotus bruniensis (Ogilby, 1893)

    WEBIn Australia, the Prickly Dogfish is widespread from Southern Queensland to west of the Great Australian Bight. It is also found in the Tasman Sea and throughout New Zealand. Worldwide, there are five species in the ā€¦

  11. Oxynotus - Wikipedia

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