Mollusca Arca noae, commonly known as the Noah's Ark shell, is a species of bivalve mollusk belonging to the Arcidae family. This marine species is notable for its unique appearance and ecological significance.

Characteristics:

• Shell Appearance: The shell of Arca noae is robust and elongated, resembling an ark or a boat, which is reflective of its common name. The exterior is brown to dark brown with radial ribs and may have lighter streaks.
• Size: Individuals typically range from 5 to 10 cm in length, although size can vary depending on environmental conditions.
• Interior: The interior of the shell is usually white and glossy.

Habitat:

• Arca noae is commonly found in the Mediterranean Sea, including the coastal waters of the Comunidad Valenciana.
• This species inhabits rocky seabeds, often attaching itself to surfaces or nestled among rocks and seagrass.
• It prefers shallow waters but can sometimes be found at greater depths.

Ecological Role:

• As a filter feeder, Arca noae plays a crucial role in the marine ecosystem by filtering water and removing plankton and organic particles, thus contributing to water clarity and quality.
• The species provides habitat and protection for various small marine organisms.

Conservation Status:

• While not currently listed as endangered, Arca noae populations are subject to environmental pressures such as pollution and habitat destruction.
• Efforts in marine conservation contribute to the preservation of this species and its habitat.

Arca noae is part of the rich marine biodiversity found in the Comunidad Valenciana, offering both ecological value and interest for avid naturalists exploring the region's coastal environments.