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Lister's tree oyster is an irregular, fan-shaped shell growing to about 7 centimetres (2.8 in) long. Each valve is a pale brown colour with whitish rays radiating from the umbo, the raised hump that is the first part of the shell to form when the animal is a juvenile. There are numerous sculptured concentric rings on the outside surface.
The flat tree oyster has two thin, irregularly shaped valves joined by a long straight hinge. The exterior is sculptured by a large number of rough, concentric rings with loose flakes and varies in colour from a pale brownish olive to a purplish black. The nacre on the inside is lustrous and cream coloured shaded with purplish brown.
These oysters grow to be about 4.75 inches (12.1 cm) in overall length, producing a highly irregular shell with a blue-gray and often heavily encrusted exterior but a smooth and pearly white interior. They use their byssus to completely immobilize themselves to the roots of mangrove trees, corals, and other substrates. [5]
BTW: To break up the 300-mile L.A. to Mammoth drive, detour into the rugged Alabama Hills near Lone Pine, where dozens of movies and TV shows have been filmed, including the first “Lone Ranger ...
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Isognomon perna, the brown purse shell or rayed tree oyster, is a bivalve in the family Isognomonidae common in the Indo-Pacific including Hawaii. [1] [2] Description
The question of what it means to be a Hong Konger is examined in Chan Tze-woo’s innovative and affecting hybrid documentary “Blue Island.” Artfully editing footage of the 2019-2020 protests ...
The eastern oyster (Crassostrea virginica)—also called the Atlantic oyster, American oyster, or East Coast oyster—is a species of true oyster native to eastern North and South America. Other names in local or culinary use include the Wellfleet oyster , [ 3 ] Virginia oyster , Malpeque oyster , Blue Point oyster , Chesapeake Bay oyster , and ...