วันจันทร์ที่ 4 กุมภาพันธ์ พ.ศ. 2556

Pic of The day : Tridacna gigas (Biggest clam)






giant clams Tridacna gigas details.

- Giant Clam is a invertebrates in Phylum Mollusca 
- Weighing is about 200 kg.
- There size is about 1.2 meters.
- Can live about 100 years or more.
- Habitats. In the southern Pacific Ocean. And the Indian Ocean Edii it. In Thailand have been discovered but now it s extinct.
- All the giant clams are hermaphroditic. Sex is a two in one. The first phase is to identify the sex until the age of about 2 years and the males have the sperms. At the age of about four and a half years to be female. They are ready to reproduce their eggs in this age.