sea urchin silhouette. image of a black sphere with long spikes.

organ circle font eye line drawing monochrome brand cartoon brown text nose sketch head pattern face sea urchin silhouette black sphere long spikes animal aquarium aquatic black cartoon coastal culinary danger design drawing echinoderm echinoid edible element fishery flat food fresh graphic healthy hedgehog icon isolated life marine nature ocean organism outline pictogram restaurant sea urchin seafood silhouette spiked spikes spines spiny symbol underwater urchins vector website wild wildlife