Arcidae Here

: Many species possess numerous small pallial eyes along their mantle margin, particularly on the posterior side, providing light sensitivity. Lifestyles : They exhibit two main ecological habits:

: Maximum species diversity occurs in the Indo-West Pacific region, where over 180 valid species in more than 30 genera are recorded. Regional Presence : Tropical West Africa : ~27 species. West Atlantic : ~20 species. Northeastern Atlantic : ~10 species. arcidae

: Common genera include Anadara (often called blood cockles due to the presence of hemoglobin), Arca , and Barbatia . Morphological and Biological Characteristics : Many species possess numerous small pallial eyes

Complete mitochondrial genome of Anadara vellicata (Bivalvia particularly on the posterior side