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

Sponge decorator crabs (Hyastenus elatus)

Sponge decorator crabs (Hyastenus elatus), an extremely well camouflaged crab, member of the spider crab family, common in Sydney Harbour. Has a pear-shaped carapace with two long rostral projections, nearly as long as the body, and two shorter projections from the rear sides. It is nearly always heavily encrusted with sponge and other sessile animals. Nelson Bay, Port Stephens, 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