tridacna การใช้

• Amongst these are the famous Tridacna shell breast pendants.
• Giant clams ( Tridacna ) have ocelli that allow light to penetrate their mantles.
• Tridacna giant clams in the lagoon of Orona
• The pintaderas decorated with geometrical patterns as well as the Spondylus and Tridacna shells testify to possible connections with Eastern Mediterranean regions.
• Siquijor is a coralline island, and fossils of the giant clam " tridacna " are often encountered in the plowed inland fields.
• Tridacna gigas may still be found in places such as Papua New Guinea, Indonesia, Palau, Northern Australia, Solomon Island and the Philippines.
• "We also intend to reintroduce the now extinct species of Tridacna gigas by transferring brood stock from other source countries, " said Zulfigar.
• The giant clams, which are known by the scientific name Tridacna, are not only a natural heritage of Johor but also part of the local culture.
• Today, two of the biggest of the species, Tridacna gigas and Tridacna derasa, are extinct, with only fossils found on the seabed of islands around Johor.
• Today, two of the biggest of the species, Tridacna gigas and Tridacna derasa, are extinct, with only fossils found on the seabed of islands around Johor.
• When " Tridacna " clams first attain sexual maturity they are male, but about a year later become hermaphrodites, possessing both male and female reproductive organs.
• "Tridacna " clams can produce large white pearls with an undulating, porcelain-like surface, which may be described as " non-nacreous pearls ".
• It is not considered a gemstone pearl, but is instead known as a " clam pearl " or " " Tridacna " pearl " from a giant clam.
• The Tridacna gigas, for example, can be as much as 1.2 metres long and weigh up to 200kg, while the Tridacna squamosa can grow to about 60cm.
• The Tridacna gigas, for example, can be as much as 1.2 metres long and weigh up to 200kg, while the Tridacna squamosa can grow to about 60cm.
• Manufactured from the hinge line of a giant clam ( Tridacna gigas ), the shell adze was found associated with a Neolithic burial assemblage in Duyong Cave, Quezon, Palawan.
• The most common species is the  small giant clam " Tridacna maxima " and largest clam species, " Tridacna gigas " is also found in the lagoon.
• The most common species is the  small giant clam " Tridacna maxima " and largest clam species, " Tridacna gigas " is also found in the lagoon.
• Inside the church to either side of the entrance are the two halves of an enormous shell ( " Tridacna gigas " ) given to King Francis I by the Venetian Republic.
• The oceans are home to more than a thousand species of marine life, including for instance the coconut crabs, the mahi-mahi, the barracuda, tridacna, marlin and tuna.