watercolor seashell. hand drawn of scallop on background. colorful drawing of sea shell. sketch of

seashell scallop watercolor sea shell cockleshell shellfish mollusk oceanic isolated object exotic wildlife ocean marine white illustration bivalve shape drawn hand pecten aquarelle conch art half painting water brown underwater clip artistic paint print nautical sketch textile textured ai colourful watercolour drawing color texture pastel clipart tropical beach design element