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In the United States, razor clam harvesting is typically authorized by state officials several times a year. [7] Harvesters locate the clam by looking for a "show," which can present as either a hole or depression in the sand. [8] Some clams expose their siphons as the surf is receding making them far easier to spot; this behavior is called ...
Sinonovacula constricta, the constricted tagelus, Chinese razor clam or Agemaki clam, is a commercially important species of bivalve native to the estuaries and mudflats of China and Japan. It is extensively aquafarmed in China and other countries, with 742,084 tons worth US$667,876,000 harvested in 2008.
Mantle of giant clam with light-sensitive spots, which detect danger and cause the clam to close. Tridacna gigas, the giant clam, is the best-known species of the giant clam genus Tridacna. Giant clams are the largest living bivalve mollusks. Several other species of "giant clam" in the genus Tridacna are often misidentified as Tridacna gigas.
The Registry of World Record Size Shells is a conchological work listing the largest (and in some cases smallest) verified shell specimens of various marine molluscan taxa.A successor to the earlier World Size Records of Robert J. L. Wagner and R. Tucker Abbott, it has been published on a semi-regular basis since 1997, changing ownership and publisher a number of times.
Aug. 21—Razor clamming is now open from the south jetty of the Siuslaw River to Cape Blanco, the Oregon Department of Agriculture and ODFW announced today. Recent shellfish samples indicate ...
By day, the clams spread out their mantle so that the algae receive the sunlight they need to photosynthesize, whereas the colour pigments protect the clam against excessive light and UV radiation. Adult clams can get most (70–100%) of their nutrients from the algae and the rest from filter feeding. [12] When disturbed, the clam closes its shell.
The creature in the video is a Pacific razor clam, though it looks enough like a geoduck to befuddle even a knowledgeable biologist: Digging into wet sand is a survival technique for the critter ...
Oct. 1—Potentially dangerous levels of domoic acid in razor clams has triggered a closure along the entire Oregon Coast for people digging and keeping these popular shellfish.