shell of a sea mollusk murex ramosus, chicoreus,. on black background

abstract animal aquatic beauty biology bottom branched curve designs elegant exotic fantastic frame gastropod growths harmony helix horns ichthyology invertebrate isolated marine mollusk nature oceanic oceanology ornate porcelain predator primarybacked relief ribbing ribs science shape shell shellfish skin snail softbodied souvenir spine spiral symmetry texture tidal tropics twist unusual