Images Dated 20th August 2019

Scuba diver with torch examining a Black coral tree (Antipathes sp.)

Scuba diver with torch examining a Black coral tree (Antipathes sp.), a coral that typically inhabits deeper water in tropical and subtropical environments. Its name comes from the black colour of the rigid central axis of horny material, hidden by the surrounding lighter coloured flesh and polyps. The horny skeletons of larger black coral trees are used for jewellery. Northwest Solitary Island, New South Wales, Australia

© Mark Spencer/AUSCAPE All rights reserved

Light-blue soldier crab (Mictyris longicarpus)

Light-blue soldier crab (Mictyris longicarpus), measures from 12 to 25 mm. Gathers in huge numbers ('armies') on intertidal sand and mud flats and their blue coloured carapace resembles a military tunic, hence their name. Can burrow quickly into the sand using a sideways corkscrew-like motion. New South Wales, Australia

© Mark Spencer/AUSCAPE All rights reserved

Giant guitarfish (Rhynchobatus djiddensis)

Giant guitarfish (Rhynchobatus djiddensis), Its head is more or less distinct from its pectoral fins; also possesses small thorns on its back. Found widely throughout the tropical and some subtropical seas of the world and the whole northern half of Australia. Can be quite inquisitive and approach divers underwater. A good game fish also taken for food. Fins command a high price in Asian markets. Solitary Islands, New South Wales, Australia

© Mark Spencer/AUSCAPE All rights reserved