Giant Clam

Giant Clam Tridacna gigas
The largest and heaviest of all mollusks is the giant clam.

Giant clam
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Giant Clam
Related Category: Zoology: Invertebrates
common name for the largest bivalve mollusk in the world, Tridacna gigas, also known as the bear's paw clam. The giant clam may weigh over 500 lb (225 kg) and attain a length of over 4 ft (120 cm).

Giant Clam Range
Fast Facts
Type: Invertebrate Diet: Carnivore Average life span in the wild: 100 years or more Size: 4 ft (1.2 m) Weight: More than 440 lbs (200 kg) Did you know?

The giant clam (Tridacna gigas) or traditionally, pa’ua, is the largest living bivalve mollusc.

Like corals, giant clams live in partnership with tiny plantlike algae (called zooxanthellae) that live inside the clams' tissues. And as with corals, the arrangement helps both creatures.

Giant clam (Tridacna gigas)
This enormous shellfish is the largest species of bivalve mollusc in the fossil record, and the heaviest of all the living molluscs. Like... More 11 Images 2 Videos ...

Giant Clam information - Received from Lewis in Australia.
Q: Where can I find information relating to sales or marketing studies on Giant Clams (tridacnidae)
A. You may find some interesting information in the following journal article: ...

Illegal wildlife trade items seized at customs - Marine turtles, Giant clam etc
What is WWF doing?
The objectives of WWF's Global Marine Turtle Programme are to reduce: ...

We wandered across gorgeous sandy beaches and snorkeled among coral, fish, anemones, worms, and giant clams of every imaginable color and shape. This picture was taken from the small island of Gili Lawa Laut.

giant clam (Tridacna derasa)
gigas clam (Tridacna gigas)
green tree coral (Sinularia sp.)
hairy mushroom (Rhodactis sp)
hammer coral (Euphyllia fimbriata)
harlequin shrimp (Hymenocera picta)
hermit crab () ...

Other reef animals such as soft corals, anemones, giant clams, and sponges share this symbiosis. Coral species lacking these algae feed on plankton alone, grow very slowly, and are found in deeper water and dark caves.

Tridacna gigas, Giant Clam
Tubastraea coccinea , Orange Cup Coral
Upeneus tragula, Freckled Goatfish
Uropterygius fasciolatus, Barred Snake Moray
Uropterygius macrocephalus, Needle-tooth Moray
Variola louti, Yellow-edged Lyretail ...

See also: Clam, Sea Lion, Lion, Iguana, Andean cat