please ID

[805reef]

I am looking to ID this clam, so I can research and learn more about how to care for it. Should it be on the sand or rock, etc.
http://i103.photobucket.com/albums/m151/jflip2002/006-19.jpg

[Maximus Clammus]

Looks like a nice Derasa, you can learn more on clam ID here. (http://www.reefaquariumforum.com/tridacnid-clam-id-made-easy-t1994.html)

If you wish to do some clam research you can find a ton of links here. (http://www.reefaquariumforum.com/on-line-links-to-tridacnid-research-t3373.html) Read up:eek2: :bum: