Carditamera gracilisCarditamera gracilis, or the West Indian cardita, is a species of bivalve mollusc in the family Carditidae. It can be found off the coast of the West Indies.DescriptionCarditamera gracilis has an elongated shell, strong medium size about 40 mm. It has more pronounced radial rib and high in the back. Its color is white with brown spots; inside is pearly.DistributionCarditamera gracilis is distributed through the Gulf of Mexico and the Caribbean Sea.HabitatIt usually inhabits shallow water, attached to rocky substrates.