dusky shark


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Related to dusky shark: Bronze whaler shark
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Synonyms for dusky shark

relatively slender blue-grey shark

References in periodicals archive ?
Dusky sharks are dangerous to humans though attacks are rare.
Dusky shark term females carry 10-mm oocytes at the time of parturition in December while non-gravid females are carrying oocytes 25 mm to 45 mm in diameter at that time.
Dusky shark, related but much less common, lacks conspicuous fin markings.
Voice of the Mirror: Page 10 DUSKY SHARK The slender bodied, rounded snout species swims thousands of miles a year searching for warm waters
Only three species have documented movements between three thousand and two thousand nautical miles: the shortfin mako, the dusky shark (Carcharhinus obscurus) and the sandbar shark (Carcharhinus plumbeus).
Demographic analyses of the dusky shark, Carcharhinus obscurus, in the Northwest Atlantic incorporating hooking mortality estimates and revised reproductive parameters.
5 Percent Percent Taxonomic caught in caught in group EGM SA Selachimorpha (n = 20,242): Rhizoprionodon terraenovae, sharpnose shark 42 27 Galeocerdo cuvier, tiger shark 13 53 Carcharhinus limbatus, blacktip shark 74 22 Carcharhinus plumbeus, sandbar shark 31 36 Carcharhinus acronotus, blacknose shark 92 3 Ginglymostoma cirratum, nurse shark 71 28 Mustelis canis, smooth dogfish 15 4 Sphyrna lewini, scalloped hammerhead 64 29 Carcharhinus obscurus, dusky shark 37 10 Carcharhinus falciformis, silky shark 42 47 Carcharhinus leucas, bull shark 81 17 Carcharhinus brevipinna, spinner shark 84 3 Carcharias taurus, sand tiger shark 0 4 Sphyrna mokarran, great hammerhead 64 21 Negaprion brevirostris, lemon shark 70 30 Carcharhinus signatus, night shark 26 62 Carcharhinus sp.
Other species that have occasionally harmed humans are the blue shark (Prionace glauca), shortfin mako, great hammerhead shark (Sphyrna mokarran), oceanic whitetip shark (Carcharhinus longimanus), lemon shark (Negaprion brevirostris), dusky shark (Carcharhinus obscurus), gray reef shark (Carcharhinus amblyrhynchos), bronze whaler shark (Carcharhinus brachyurus), blacktip reef shark (Carcharhinus melanopterus), and blacktip shark (Carcharhinus limbatus).
Dusky shark populations in western north Atlantic waters said to be a fraction of historical levels--15 to 20 percent.
Trawling targets the western king prawn (Melicertus latisulcatus) and the Ballot's saucer scallop (Amusium balloti), whereas demersal gillnetting and longlining target mainly the gummy shark (Mustelus antarcticus), the dusky shark (Carcharhinus obscurus), and the whiskery shark (Furgaleus macki) (McAuley and Simpfendorfer, 2003).
The dusky shark had total mortality rates ranging from 56.
Goliath Grouper (Jewfish), Nassau Grouper, Sawfish, Atlantic Angel Shark, Basking Shark, Bigeye Sand Tiger Shark, Bigeye Sixgill Shark, Bigeye Thresher Shark, Bignose Shark, Caribbean Reef Shark, Caribbean Sharpnose Shark, Dusky Shark, Galapagos Shark, Longfin Mako Shark, Narrowtooth Shark, Night Shark, Silky Shark, Sand Tiger Shark, Sandbar Shark, Sevengill Shark, Sixgill Shark, Smalltail Shark, Spiny Dogfish, Whale Shark, White Shark, Manta Ray, Spotted Eagle Ray, Longbill Spearfish, Mediterranean Spearfish, Roundscale Spearfish and Sturgeon.
3) Huish and Benedict (1977) published their results under the species name for the dusky shark (Carcharhinus obscurus), but Grubbs (2001) noted that the size of the animals tracked was smaller than the size at birth for C.
The Dusky Shark, a 6ft 6in specimen found in the Pacific, Atlantic and Indian Oceans, can exert a force of 9st 4lb between its jaws.
Scientific name Common name Abbreviation Carcharhinidae Carcharinus acronotus Blacknose shark Cac Carcharinus amblyrhynchos Grey reef shark Cal Carcharinus falciformis Silky shark Cfa Carcharinus leucas Bull shark Cle Carcharinus limbatus Blacktip shark Cli Carcharinus longimanus Oceanic whitetip shark Clo Carcharinus obscurus Dusky shark Cob Carcharinus plumbeus Sandbar shark Cpl Galeocerdo cuuier Tiger shark Gcu Prionace glauca Blue shark Pgl Rhizoprionodon taylori Australian sharpnose shark Rta Sphyrnidae Sphyrna lewini Scalloped hammerhead shark Sle Triakidae Galeorhinus galeus Soupfin shark Gga Lamnidae Isurus oxyrinchus Mako shark Iox Alophiidae Alopias superciliosus Bigeye thresher shark Asu Squatinidae Squalus acanthias Spiny dogfish Sac Squaluss mitsukurii Shortspine spurdog Smi