1024px-Expl2355_-_Flickr_-_NOAA_Photo_Library February 28, 2014 1024 × 683 Invertebrate Visions: Diffractions of the Brittlestar Mouth of an ophiuroid brittlestar. Photograph courtesy of the National Oceanic and Atmospheric Administration Photo Library. emailFacebookTwitterRedditLinkedinemailFacebookTwitterRedditLinkedin