During this study, 624 sharks representing 10 shark species were captured, primarily dusky shark
(Carcharhinus obscurus; n=235), spinner shark (Carcharhinus brevipinna; n=180), sandbar shark (Carcharhinus plumbeus; n=89), and Atlantic sharpnose shark (.
Demographic analysis of the dusky shark
fishery in southwestern Australia.
First report of an embryonic dusky shark
(Carcharhinus obscurus) with cyclopia and other abnormalities.
But the modest grandad, of Merthyr Tydfil, played down his amazing battle with the dusky shark
on Queensland's Sunshine Coast.
BRAVE 3 Paul is caught on TV camera wrestling with dusky shark
[Carcharhinus obscures] and great hammerhead shark [Sphyrna mokarran]) also undertake periodic localized migrations, but tagging studies illustrate that pelagic sharks often traverse greater distances on a regular basis (5).
Age and growth estimates for the dusky shark
, Carcharhinusobscurus, in the western North Atlantic Ocean.
Australia's commercial shark fisheries take school shark, gummy shark, dusky shark
, whiskery shark, sandbar shark and blacktip shark.
Four proposals were submitted to CITES for uplisting of shark species to Appendix II to offer them greater protection: Proposal 15 for five shark species (Scalloped, Great and Smooth Hammerhead, Sandbar and Dusky Shark
-- amended to remove the Sandbar and Dusky Shark
); Proposal 16 for the Oceanic Whitetip by Palau and the United States; Proposal 17 for the Porbeagle Shark; and Proposal 18 for the Spiny Dogfish proposed by the EU and Palau.
Three-year (triennial) reproductive cycles with gestation periods of 18 to 22 months have been postulated for the dusky shark
(Carcharhinus obscurus Lesueur, 1818) by Clark & von Schmidt (1965) and Musick et al.
Sandbar, porbeagle and dusky shark
populations in the Atlantic and Gulf of Mexico have been severely overfished; a recent article in the Sarasota Herald-Tribune noted that commercial fisheries target sandbar sharks because their dorsal fins command high prices in the shark-fin trade.
53-meter (8-foot 3-inch) great hammerhead (Sphyrna mokarran) caught off Natal, South Africa, contained a whole 86-centimeter (33-inch) dusky shark