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Topic: Sphyrna zygaena


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In the News (Wed 30 Dec 09)

  
  Description Scalloped Hammerhead- Sphyrna lewini   (Site not responding. Last check: 2007-11-07)
The scalloped hammerhead was originally described as Zygaena lewini by Griffith and Smith in 1834.
This shark was later renamed Sphyrna lewini (Griffith and Smith, 1834), which remains the current valid name.
There are approximately 10 related species of hammerheads throughout tropical and temperate regions including the bonnethead (Sphyrna tiburo), great hammerhead (Sphyrna mokarran), and smooth hammerhead (Sphyrna zygaena).
flmnh.ufl.edu /fish/Gallery/Descript/Schammer/ScallopedHammerhead.html   (1654 words)

  
 hammerhead shark on Encyclopedia.com
The largest species is the widely distributed great hammerhead, Sphyrina mokarran, which typically reaches 15 ft (4.6 m) in length; the distance between its eyes may be as much as 3 ft (90 cm).
zygaena, is found in all tropical waters, summering as far N as Newfoundland.
Behavioral responses of scalloped hammerhead sharks, Sphyrna lewini, and leopard sharks, Triakis semifasciata, to pulsed, direct current electrical fields.
www.encyclopedia.com /html/h1/hammerhe-sh.asp   (586 words)

  
 Smooth hammerhead - Sphyrna zygaena
A biological profile on the Smooth Hammerhead, Sphyrna zygaena.
Sphyrna tiburo, Bonnethead shark, 21 - 64 - 1, 2, 15.
ITIS 'Publication' Search results for Robins, Richard C., Reeve M. Sphyrna zygaena (Linnaeus, 1758) -- valid -- cabeza de martillo, smooth hammerhead.
sharks.wildmadagascar.org /species/links/Sphyrna_zygaena.html   (282 words)

  
 Description Smooth Hammerhead- Sphyrna zygaena   (Site not responding. Last check: 2007-11-07)
The smooth hammerhead shark was originally described by Swedish natural historian Karl Linnaeus in 1758 as Squalus zygaena.
This name was later changed to Sphyrna zygaena (Linnaeus 1758) which is currently the valid name.
There are approximately 10 related species of hammerheads throughout tropical and temperate regions including the bonnethead (Sphyrna tiburo), great hammerhead (Sphyrna mokarran), and scalloped hammerhead (Sphyrna lewini).
www.flmnh.ufl.edu /fish/Gallery/Descript/SmHammer/SmoothHammerhead.html   (1388 words)

  
 Hammerhead Shark Information. Hammerhead Shark (Sphyrna) further information and species classification.
Hammerhead Shark (Sphyrna) further information and species classification.
Hammerhead Shark (Sphyrna) photo (and Picture) gallery, Hammerhead Shark species classification and other information.
Hammerhead shark, active, surface-living shark, Its curious head has lateral projections resembling the crossbar of a T, and its eyes and ears are located in the outer tips of the projections.
www.maneatingsharks.com /Hammerhead_Shark_Information.htm   (294 words)

  
 Marine Fisheries Review: NMFS Cooperative Shark Tagging Program, 1962-93: An Atlas of Shark Tag and Recapture Data - ...   (Site not responding. Last check: 2007-11-07)
The dotted-dashed represents the U.S. Figure 150.--Total tagging distribution for the smooth hammerhead, Sphyrna zygaena, from the NMFS Cooperative Shark Tagging Program during 1962-93.
Figure 152.--Recapture distribution for the smooth hammerhead, Sphyrna zygaena, from the NMFS Cooperative Shark Tagging Program during 1962-93.
The dotted-dashed line represents the U.S. Figure 153.--Total number of smooth hammerhead, Sphyrna zygaena, tagged and recaptured by year in the NMFS Cooperative Shark Tagging Program, from 1962 to 1993.
www.findarticles.com /p/articles/mi_m3089/is_2_60/ai_55671825/pg_8   (1116 words)

  
 Hammerhead shark - Wikipedia, the free encyclopedia
The hammerhead shark (genus Sphyrna) is a member of the family Sphyrnidae.
Because the hammerhead has sensors along its entire head, one theory for why the hammerhead has a hammer-shaped head is to provide a greater area for sensors to scan the bottom of the seafloor for fish, crustaceans, or other food items to eat.
Animal Diversity Web Genus Sphyrna with species sub-pages
en.wikipedia.org /wiki/Hammerhead_shark   (519 words)

  
 Common hammerhead
Figure 16.—Common hammerhead (Sphyrna zygaena), female, about 27 inches long, from Nahant, Massachusetts.
In 1805, however, one of 11 feet was netted at Riverhead, L. And the fact that it contained parts of a man in its stomach has been chiefly responsible for the bad reputation of this species of hammerhead.
The larger hammerheads that are sometimes reported probably are not this species, but the great hammerhead (Sphyrna mokarran, p.
octopus.gma.org /fogm/Sphyrna_zygaena.htm   (817 words)

  
 HAMMERHEAD - Definition   (Site not responding. Last check: 2007-11-07)
bonnet shark, bonnethead, genus Sphyrna, hammer, head, peen, shark, shovelhead, simple, simpleton, smalleye hammerhead, smooth hammerhead, Sphyrna, Sphyrna tiburo, Sphyrna tudes, Sphyrna zygaena
(Zo["o]l.) A shark of the genus {Sphyrna} or {Zyg[ae]na}, having the eyes set on projections from the sides of the head, which gives it a hammer shape.
The {Sphyrna zyg[ae]na} is found in the North Atlantic.
www.hyperdictionary.com /dictionary/hammerhead   (121 words)

  
 Case studies of the management of elasmobranch fisheries
The occurrence of many of these species is highly seasonal and their landings vary from centre to centre during the year.
melanopterus and the hammerhead shark Sphyrna lewini are common and reach a maximum length of one to 2.5m.
On the east coast (Chennai region) the major grey sharks contribute 59.4% of the shark fishery followed by the hammerheads (Sphyrna lewini and Eusphyra blochi) - 23%, Rhizoprionodon spp.
www.fao.org /DOCREP/003/X2097E/X2097E14.htm   (10262 words)

  
 HAMMERHEAD SHARKS: THE MOST FEARED SEA ANIMALS. Essay Sample. Free term papers for college students
Scalloped hammerhead (Sphyrna lewini)-Pectoral fins are tipped with fl this grey shark.
Great hammerhead (Sphyrna mokarran)-Attaining a length of a possible 18 feet, this is the largest and most dangerous of all the hammerheads.
One of the most interesting things about the hammerheads is the unique shape of their heads.
www.essaysample.com /essay/001209.html   (896 words)

  
 MavicaNET - Sphyrna   (Site not responding. Last check: 2007-11-07)
A brief description of the hammerhead shark (Sphyrna zygaena), including photograph.
Description of Sphyrna lewini (Scalloped Hammerhead), as seen in Ocean Oasis.
Scalloped Hammerhead Shark (Sphyrna lewini) - Louisiana Fishing
www.mavicanet.ru /lite/eng/24635.html   (80 words)

  
 Great hammerhead - Sphyrna mokarran
...described as Zygaena mokarran by German naturalist Eduard Rüppell in 1837, however
Scalloped bonnethead Sphyrna lewini (Griffith and Smith, in Cuvier, Griffith and Smith,
A further observation of the prey-handling behavior of the great hammerhead shark,
sharks.wildmadagascar.org /species/links/Sphyrna_mokarran.html   (210 words)

  
 Hammerhead Sharks, Sphyrna lewini, Sphyrna mokarran, Sphyrna zygaena
Hammerhead Sharks, Sphyrna lewini, Sphyrna mokarran, Sphyrna zygaena
Book the Shark Wrangler as your guide or go on a kayak tour of South Carolina
Teeth are elongated similar to those of a Mako with a pronounced flatness on one side (Great HH).
www.sharkwrangler.com /pages/hammer_head.htm   (418 words)

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