Antigona
Antigona is a genus of medium-sized, edible marine bivalve mollusks in the family Veneridae, commonly known as “clams.” They are widely distributed in the Indo-Pacific region, inhabiting a variety of marine environments, from intertidal zones to deeper waters. These clams are known for their distinct heart-shaped shells and are often targeted by commercial fisheries and recreational collectors.
Common Names
Depending on the specific species, members of the genus Antigona are known by various common names, including:
- Manila clam
- Sand clam
- Heart clam
- Venus clam
Characteristics
Antigona clams are characterized by their distinctive heart-shaped shells. The shells are typically smooth or slightly ribbed and can range in color from white to brown or even reddish. These bivalves have a prominent hinge line and a well-developed ligament that helps to keep the valves closed. They are also known for their thick, muscular foot, which they use for burrowing into the sediment.
Environments
Antigona clams inhabit a variety of marine environments, including:
- Intertidal zones
- Subtidal zones
- Sand flats
- Muddy bottoms
They are typically found in areas with moderate wave action and good water circulation.
References
For further information on Antigona clams, refer to the following resources: