leaping dolphin graphic against sunset backdrop, vibrant colors, ocean scene. serene sea mammal

dolphin leaping sunset backdrop vibrant colors ocean scene serene sea mammal illustration hues tranquil oceanic setting artistic representation environment peaceful aquatic theme marine life nature wildlife tropical sun water reflection warm tones jumping jump graphic design creative artwork natural beauty dusk horizon silhouette vector calming nautical sealife fauna oceanography travel tourism adventure poster background conservation against biology ecosystem