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Topic: Sargassum


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In the News (Thu 24 Dec 09)

  
  Sargassum Anglerfish, Histrio histrio
Above and below: A Sargassum Anglerfish on a mooring rope at a depth of 3m, Tufi, Papua New Guinea, January 2003.
The Sargassum Anglerfish varies from pale cream to greenish or dark brown.
The Sargassum Anglerfish occurs in all tropical marine waters except the Eastern Pacific.
www.amonline.net.au /fishes/fishfacts/fish/hhistrio.htm   (335 words)

  
 Sargassum muticum
Sargassum muticum is a brown seaweed that has recently found its way to the shores of Ireland.
Sargassum was first recorded in Europe in 1973 at Bembridge on the Isle of Wight, U.K., when plants were about two years' old, but probably arrived on the north coast of France as early as 1966.
Sargassum is highly tolerant to environmental parameters suchas desiccation, full sunlight and variations in salinity and temperature.
www.seaweed.ie /sargassum   (695 words)

  
 Marine Life Fact Sheets - Sargassum
Reproduction: Sargassum's vigorous spread upon arrival in the Pacific Northwest may be due to simple but effective methods of reproduction and dispersal.
The rapid growth of this algae, along with its ability to repro-duce in a single season allows it to establish itself quickly, particularly in disturbed areas of sheltered bays that provide open substrate for offspring to settle and mature.
Although removal of Sargassum can allow native species to reestablish themselves, eradicating Sargassum can be extremely difficult, as it requires intensive manual labor and holdfasts left behind will regenerate new fronds.
www.whatcom-mrc.wsu.edu /Fact_Sheets/sargassum.htm   (694 words)

  
 Sargassum
Sargassum is a free-floating seaweed found offshore in mats throughout the
These mats of vegetation provide crucial habitat for a wide variety of marine animals in the open ocean, including economically important pelagic species such as tuna, dolphin, wahoo and billfish as well as sea turtles and marine birds.
The final Fishery Management Plan for Pelagic Sargassum Habitat in the South Atlantic Region was approved in 2003 and implemented strict restrictions on commercial harvest of this important fish habitat.
www.safmc.net /Library/Sargassum/tabid/414/Default.aspx   (158 words)

  
  NOAA Ocean Explorer: Life on the Edge
Sargassum is a genus of large brown seaweed (a type of algae) that floats in island-like masses, and is common in waters off the U.S. South Atlantic coast.
The Sargassum community occupies such a large dimension of the upper water column (up to 3 m depth) and is typically so diverse that one gear or collection method cannot effectively sample it all.
Sargassum habitats provide food and protection for huge numbers of juvenile fishes, some of which are commercially important species.
www.oceanexplorer.noaa.gov /explorations/03edge/background/sargassum/sargassum.html   (745 words)

  
 Exotics Guide
Sargassum muticum is usually restricted to sheltered waters, but on the Pacific Coast it occurs on the open coast at Cape Arago, Oregon and the Palos Verdes Peninsula in southern California, and in a highly wave-exposed site at Punta Quebrada in Baja California.
Sargassum agardhianum generally resembles Sargassum muticum, but can be distinguished by the presence of a sharp point on the end of each of its small, spherical float bladders.
Sargassum palmeri, which occurs on offshore islands from Santa Catalina Island southward, has float bladders that are smooth and round like those of Sargassum muticum, but larger (3.5-6 mm in diameter compared to ≤3 mm) and borne on longer stalks.
www.exoticsguide.org /species_pages/s_muticum.html   (2162 words)

  
 Petition to Protect Sargassum
Offshore communites of sargassum weed have been identified as “Essential Fish Habitat,” in U.S. Fishery Management Plans for Billfish and other highly migratory species.
That’s why there is so much broad support to protect sargassum from harvest in U.S. territorial waters, because it is so vital, especially to juvenile sealife.
However, since sargassum is still wide-open to harvest farther offshore, it needs more protection.
www.floridasportsman.com /casts/050520b   (307 words)

  
 Sargassum
Sargassum species are found throughout tropical areas of the world and are often the most obvious macrophyte in near-shore areas where Sargassum beds often occur near coral reefs The plants grow subtidally and they attach to coral, rocks or shells in moderately exposed or sheltered rocky or pebble areas.
Sargassum species are the tropical equivalent to Ascophyllum and Fucus in terms of uses and applications.
They are used as raw materials for alginate production and are also used as a component of animal feed and a source of liquid plant foods or plant biostimulants.
www.surialink.com /HANDBOOK/Genera/browns/Sargassum/Sargassum.htm   (431 words)

  
 Sargassum fish
The head and body of the sargassum fish appear as one, for each gill opening has the form of a pore on the lower margin of the pectoral near its base, so small that it is likely to be overlooked.
The first, standing over the front margin of the eye, has the form of a slender tentacle, its tip bearing a bulbous swelling, known technically as an "illicium," which is fringed at the tip.
Living, as they usually do, among floating gulf weed (Sargassum), it is not astonishing that sargassum fish should drift in over the offshore banks, occasionally.
www.gma.org /fogm/Histrio_pictus.htm   (408 words)

  
 Marine Fish Picture Gallery - Sargassum Anglerfish picture
The Sargassum Anglerfish (histrio histrio) is generally found in floating weed structures on the open ocean.
It can be found on floating sargassum weed rafts which move around on the ocean currents.
It is found in all tropical oceans except for the east Pacific and can sometimes be found in inshore estuaries where its weed transport has drifted to.
www.scuba-equipment-usa.com /marine/DEC03/Sargassum_Anglerfish(histrio_histrio).html   (196 words)

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