Pearly-shelled mussel

a pearly-shelled mussel (the pearly lining of the dark shells is a source of mother-of-pearl) with deep charcoal plumage and amber eyes, top-down view of the whole animal, square to camera, isolated on a pure white seamless background, subject centred and fully in frame with clear margins, sharp focus, high detail, no text, no watermark, no logo, no border