BIG CAT REALITY – THE BEST WAY TO WASTE A WEEKEND

After a month of weekends renovating our house, and missing some wonderful diving conditions, we had earned a weekend off - before we both died from paint fumes! One of the best weekend escapes off Brisbane is to join Big Cat Reality for a weekend liveaboard trip around the Moreton Bay Marine Park , so we left the paint brushes at home and booked on for a weekend in August. Text Box:
    Boarding the vessel at Scarborough on Friday night, we were hoping for some wonderful winter diving as the forecast was sounding terrific – light winds, warm days and small seas. After meeting the crew, fellow passengers, signing waiver forms, stowing our dive gear and selecting our beds, we departed the marina at 8.30pm for the trip to Moreton Island .
    For those that haven’t been on Big Cat Reality before she is a very comfortable boat to dive from and stay on. At 25m long and with a 10m wide beam she is big, and sleeps 24 guests in two large cabins below decks. Fully air-conditioned throughout, Big Cat has two lounge areas, a licensed bar, separate toilets and showers for the men and ladies and a huge sundeck/party deck up top. The dive deck is well laid-out and spacious, with room for 30 divers and little crowding.
    After a calm night anchored at the top of Moreton Island , the anchor was pulled at 6am and we headed for our first dive site – Robert’s Shoal. This is one of Brisbane ’s rarely dived rocky reefs, as it is exposed and prone to currents, but we had perfect conditions. After a dive brief we all received a tag as we logged our air and entered the water (the Big Cat crew are very safety conscious with every diver tagged in and out of th
Text Box:  e water, and the dive log must be signed before moving to the next dive site).
    The large rocky reef at Robert’s Shoal rises from the sand at 26m to 12m, while there was not much hard coral to be seen, the rocks are instead covered in beautiful black corals trees, gorgonians, soft corals, sea whips, tubastra corals and anemones. Exploring the reef in the 20m visibility and 21°C water we encountered a large black blotched stingray, ornate wobbegongs, blue gropers, mackerel, batfish and thick schools of bullseyes in the many caves.
    After breakfast we headed down the eastern side of Moreton Island to Cherub’s Cave, on the way seeing dozens of humpback whales. Whales are a feature of Brisbane winter diving, we must have seen several hundred over the weekend and on every dive could hear them singing, very loudly.
    Cherub’s Cave was as spectacular as always, even with no grey nurse sharks spotted. We still had a great time exploring the maze of caves and gutters that are coloured by some wonderful corals. We also saw numerous wobbegongs, lionfish, crayfish, nudibranchs and schools of surgeonfish, fusiliers and bullseyes.

    With several divers onboard doing an advanced course, our next dive was a special treat, a rarely dived trawler wreck sitting on the sand at 31m. This vessel is around 15m long and sunk three years ago, and is now a haven for marine life. Though compact, and a little crowded with twenty divers on it, the trawler is home to yellowtail, cardinalfish, fusiliers, sweetlips, bannerfish, fortescues, lionfish, gropers and one large jewfish. The sand surrounding the wreck is a bit of a minefield – with half a dozen numbrays waiting to zap unsuspecting prey, and divers!
    With a hot lunch in our bellies, and a few hours soaking up the warm sunshine, we next headed to China Wall, another grey nurse aggregation site. Aga
Text Box:  in the sharks were absent, but we still had plenty of other things to see at this unusual dive site, which is a rocky ridge covered in thick beds of kelp. We investigated the gutters and caves at the site, finding lovely black coral trees and gorgonians, plus mackerel, morwong, wobbies, angelfish, gropers, turtles and a Spanish dancer. The whales on this dive were singing very loudly, almost vibrating our bodies, and Nigel turned around at just the right time to see a humpback whale zoom past in the 15m visibility. No one else in our group saw the whale, even though it swam right beside them!
    Late in the afternoon we tied up at the mooring at Flinders Reef for an afternoon dive and night dive. But after four deep dives that day we had had enough and instead enjoyed a beer as the sunset over the Glasshouse Mountains and a whale breeched nearby. We then enjoyed a barbeque dinner after the divers returned from their night dive.
    The next morning it was another early start, with the anchor dropped at Gotham City at 6.30am. This is a site we had always wanted to dive, as the last time we attempted it the current was so strong that it was impossible to get down. The current was still running today, but was manageable, so we finally got to see this amazing monolith. Gotham City is a large lump of rock rising from 36m to 18m, a very impressive site in the 20m visibility. Its walls are covered in brilliant corals – tubastra corals, soft corals, spiral sea whips, gorgonians, sponges and especially black coral trees. There are actually forests of black coral at this site. As we circumnavigated the rock we found kingfish, gropers, bullseyes, surgeonfish and schools of sweetlips and snapper. This site was named for the eagle rays that gather here and we weren’t disappointed with two seen gliding around.
    Our next dive was the wreck of the Cementco, a 67m long barge that was to be sunk as an artificial reef, but accidentally sunk in rough seas prematurely. The barge rests upside down in 25m and is always an interesting dive. The hopper doors have collapsed, allowing access to the ship, which is coloured by soft corals and black corals. The fish life is never great at Cementco, mainly small reef fish, but we did see the resident 2m long Queensland groper.

    Our last two dives of the weekend were spent at Flinders Reef, Brisbane ’s true coral reef. The thick coral gardens here are home to abundant reef fish, invertebrates and countless turtles. On our way back to civilisation we washed our gear, soaked our cameras and reflected on a wonderful weekend of diving – and agreed that this was a much better way to waste a weekend than on home renovations!

Article appeared in Dive Log No.267 October 2010

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