round composition summer concept with unique museum collection of sea shells rare endangered species, molluscs khaki brown purple

animal aquaculture aquatic art backdrop background beach biology bivalvia brown cockleshell collection composition concept conch creative decoration design drawing drawn exotic extinction frame graphic hand illustration khaki life marine mollusk muricidae museum natural nature nautilus object ocean oceanic purple rare round scallop sea seafood seashell shell shellfish sketch souvenir species spiral starfish summer symbol template texture travel tropical vacation vector vintage