Arcidae (2K)

: Attached to hard surfaces (rocks, coral) via strong byssal threads . Infaunal : Buried in sand or mud. Economic and Ecological Importance

: Though rare, some species are found at abyssal depths and in polar seas. arcidae

: Common genera include Anadara (often called blood cockles due to the presence of hemoglobin), Arca , and Barbatia . Morphological and Biological Characteristics : Attached to hard surfaces (rocks, coral) via