They basically pry open clams because they eat them. They eat muscles, clams, slow fish, etc. They are also actually called Sea Stars since they are not fish and do not have a spine, that category is called invertebrates, Organisms with spines and called vertebrates, which is what we are.
Clams need water to live and to keep their insides away fron dirt and when taken out they close up to prevent damage to their insides
because they r scared or froghtened of another critter
To protect itself, and to trap seawater inside and avoid drying out.
clams will not bite, but they may close up on you. So dont put your fingers in them. I own clams and they can close very quickly if something (E.G: fish) brushes past them. the same applies with your hand.
close up their shell
Mostly cattails need an open area close or around the marsh lands. They basically need water and base to anchor it.
Clams are generally covered by a shell. It is a part of the clam's body, and it can open or close; when closed, it serves the purpose of protecting the clam from predators.
Starfish eat clams by grasping and pulling on the clams shell until the clam can't hold it close any longer. Once the shell is opened far enough, the starfish begins to feed on the clam.
As close or as far removed as they want.
The are seabirds that eat clam and fish.
If a clam does not open when cooked, that usually means the clam was dead before cooking. Do not eat clams that won't open when cooked. Make sure that the clams have plenty of space to open during the cook. Sometimes the weight on top will prevent opening.
Giant clams close their shells on their feet and they starve. Then the clam absorbs the rotting deer.
A first cousin twice removed does not have a particularly close genetic relationship.
I've been digging for clams in Tampa Bay for a number of years. The best two places that I have found is close to the big bridge at the sunshine skyway and the north part of Fort Desoto Park.
close to an ocean and forest.