Clam
Related Category: Zoology: Invertebrates
common name for certain bivalve mollusks, especially for marine species that live buried in mud or sand and have valves (the two pieces of the shell) of equal size.
Giant clam
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Giant Clam Comments (2)
mia
"this gave me alot of ideas for my school project thanks "
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Clam Life expectancy - received on from Tom in Delaware.
Q: How is a clam's age determined and what is the life expectancy of a clam?
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 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?
Bait: Clam, crab, cut bait, mussels and other mollusks, lobsters and sea urchins.
The giant clam (Tridacna gigas) or traditionally, pa’ua, is the largest living bivalve mollusc.
Discussion The Clam Worm is a swift and voracious predator, feeding on other worms and invertebrates, carrion, and certain algae. It has a keen sense of smell and in captivity can readily locate bits of fresh clam meat.
crocea clam (Tridacna crocea)
cup coral (Tubinaria sp.)
curlique anemone (Bartholomea annulata)
cuttlefish (Sepia officinalis)
delicate sea anemone (Heteractis malu)
derasa clam (Tridacna derasa)
elegance coral (Catalaphyllia jardinei) ...
Some starfish can grab a clam or other mollusk and pry its shell open. Some species push their stomachs out and surround their prey, digest it an then pull their stomachs back in! ...
Food - The otters eat shrimp, clam, squid, and fish such as pollock and capelin. Trainers feed the otters during training sessions. The otters also receive a variety of whole shellfish such as clams, mussels, and crabs.
As an example, the Mew gull, when it is able to get a clam or muscle, will fly over and drop the creature repeatedly on a hard surface until the shell gives way and cracks open.
On 5 September 1965, John Comer found what he took to be a Reddish Egret feeding in a marsh at Clam Bay, Halifax County. He studied it for about three-quarters of an hour, at distances as close as 50 m.
To feed on hard-shelled prey like a clam, the sea star firmly grasps it with its arms until the clam slightly opens its shell. The sea star then pushes its stomach out of its mouth and into the clam and begins to digest its insides.
One factor may be the declining numbers and decreasing size of the chalky macoma (Macoma calcarea)—a deep water clam favored by this eider—due to increased predation by walruses and seals, and increased pollutants on the ocean bottom.
The soft subrostral fins are used to probe the substrate in search of bivalve prey and may serve to detect water expelled from a clam's siphon or the weak bioelectric field generated by a bivalve.
Many will also inhabit empty clam shells, which also serve as nesting sites; males are known to guard the brood. Some species have dorsal fins which are significantly higher towards the head, explaining the moniker "flagblenny".
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: ...
The Chambered nautilus is a mollusk, related to the octopus, squid, clam and snail.
Clockwise from top, I think we have: a smallish giant clam, a pretty big cowrie, a top-hat shell (with the pointy end sticking into the sand), three pieces of coral, and a scorpion shell.
Unlike some parrots that clam up, this bird will jabber on in front of strangers.
The second year birds in the second and fourth photos have pale grey beginning to show through the spotted brown and has a pink base to its dark bill with which, in the 4th photo, it is trying to open a razor clam.
Indeed, polychaetes are sometimes referred to as bristle worms. More than 10,000 species are described in this class. Common representatives include the lugworm (Arenicola marina) and the sandworm or clam worm Nereis.
Adult females use massive head musculature and expanded oral crushing surfaces to feed almost exclusively on molluscs, particularly native snails of the genus Elimia and the introduced Asian clam (Cagle 1952, Ernst et al.
Instead, the soft clam, Mya arenaria, a Lamellibranch not used by English or Norwegian fishermen, though abundant on their shores, is employed as bait by the fishermen to the extent of 14 million bushels per annum, valued at £120,000.
 See also: Bivalve, Giant Clam, Shark, Whale, Dolphin
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