Southern hermit crab Paguristes frontalis #marineexplorer by John Turnbull
A large hermit crab found on Australia’s Great Southern Reef, distinguished by its lack of hairs and large left claw. Port Noarlunga South Australia. reeflifesurvey.com/species/paguristes-frontalis/
Primrose Sands shore long exposure #marineexplorer by John Turnbull
Healthy balance of urchins and kelp #marineexplorer by John Turnbull
Whilst there are major concerns about the spread of urchin barrens – and rightly so – it is possible for kelp and urchins to achieve a healthy balance in a system with adequate urchin predators. Tinderbox Marine Reserve in Tasmania is a sanctuary zone with many large lobsters to keep urchins in check (I saw 4 on one dive).
Change indicator – Weedy seadragon Phyllopteryx taeniolatus #marineexplorer #GSRfieldtrip day 42 #UNSWbees by John Turnbull
Divers notice charismatic animals like seadragons, so these animals can provide indications of change over time scales exceeding our biodiversity survey data. At two sites we’re surveying in Tasmania, numerous people describe the loss of giant kelp and changes to seahorse and seadragon populations over several decades.
Ninepin marine reserve and Verona Sands #marineexplorer #GSRfieldtrip by John Turnbull
Ninepin Point Marine Reserve is cared for by a partnership between the local community, including students from the local school, and Tasmanian Parks and Wildlife. It is treasured for its unusual marine community, due to the shallow dark waters of the Huon river
Notolabrus tetricus – Blue throat wrasse in split rock #marineexplorer by John Turnbull
Colourful sessile animals like these yellow zoanthids are a feature of Australia’s Great Southern Reef. The colours of the mature male blue throat wrasse aren’t too shabby either. Bicheno, Tasmania
Butterfly perch – Caesioperca lepidoptera #marineexplorer by John Turnbull
A sea bass found in the southern waters of Australia and NZ. Bicheno, Tasmania
Best hairdo ever on a #seahorse Hippocampus abdominalis #marineexplorer #GSRfieldtrip by John Turnbull
Kingston beach, Tasmania. Three seahorses at the site, but no weedy seadragons.
Cloud-wrapped Mt Wellington over Kingston beach #marineexplorer by John Turnbull
#GSRfieldtrip day 35. Mt Wellington watches over two of our survey sites in Hobart. For the last few days it’s been clear, but today the clouds and drizzle moved in. #UNSWbees #scicomm