Postcard from the Reef – Orangespine Unicornfish Orangespine unicornfish (Naso lituratus) at 25ft depth, Suck-Em-Up Cave Share this: Share on WhatsApp (Opens in new window) WhatsApp Share on Reddit (Opens in new window) Reddit Email a link to a friend (Opens in new window) Email Author: Andrew An electrical engineer, amateur astronomer, and diver, living and working on the island of HawaiĘ»i. View all posts by Andrew