smooth hammerhead

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Related to smooth hammerhead: smalleye hammerhead
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Noun1.smooth hammerhead - fished for the hides and vitamin-rich liversmooth hammerhead - fished for the hides and vitamin-rich liver
hammerhead shark, hammerhead - medium-sized live-bearing shark with eyes at either end of a flattened hammer-shaped head; worldwide in warm waters; can be dangerous
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References in periodicals archive ?
The smooth hammerhead - sphyrna zygaena in Latin - was spotted during a survey of herring stocks in an area of the Celtic Sea by scientists from the Marine Institute based in Galway.
In cases of importation of shark species enumerated in CITES, namely sawfish (Pristidae spp), whale shark (Rhincodon typus), great hammerhead (Sphyrna mokarran), scalloped hammerhead (Sphyrna lewini), smooth hammerhead (Sphyrna zygaena), oceanic whitetip shark (Carcharinus longimanus), porbeagle (lamna nasus), basking shark (Cetorhinus maximus), great white shark (Carcharodon carcharias), and manta rays (Manta spp), an export or re-export certificate from the administrative authority in the exporting country and an import valid certificate issued by the Ministry of Climate Change and Environment must be secured.
Mercury levels in the Smooth Hammerhead Shark Sphyrna zygaena (Carcharhiniformes: Sphyrnidae) from Northern Peru
Abstract--The smooth hammerhead (Sphyrna zygaena) is the third most captured shark species in Peru, a nation with one of the largest shark fisheries in the Pacific Ocean.
Growing up to 16ft long, the smooth hammerhead is a powerful shark found in shallow waters.
From all eight known shark orders, Carcharhiniformes presents the highest species diversity, including the smooth hammerhead shark (Sphyrna zygaena (Linnaeus, 1758)), which belongs to the Sphyrnidae family.
These include the shark species commonly known as the gray reef shark, oceanic whitetip shark, blacktip reef shark, tiger shark, whitetip reef shark, tawny nurse shark, great white shark, whale shark, scalloped hammerhead shark, great hammerhead shark, smooth hammerhead shark, and leopard 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.
In March, a team of Canadian and US scientists calculated that between 1970 and 2005, the number of scalloped hammerhead and tiger sharks may have declined by more than 97 percent along the East Coast, and that the population of bull, dusky and smooth hammerhead sharks dropped by more than 99 percent.
The smooth hammerhead is also another species that forms huge gatherings.
Two observers identified the shark as a smooth hammerhead but were unable to photograph it.