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Diving the Indian Ocean Reefs
Parrot Fish… Did You Know?
The most colourful fish you’ll notice at on your first Indian Ocean dive may well be the spectacular turquoise-green, blue and pink male Ember Parrot Fish, (Scarus Riboviolaceus) which is by far the most common of the parrot fishes seen on our Indian Ocean reefs.
Male Ember Parrot fish
The males are gorgeous, and completely different from the juveniles and females.
Parrot fishes start life in the hard stag-horn corals and branching finger corals as insignificant little striped fish. The juvenile and semi-juvenile just look like any other small striped fish, with only the distinctive beak-like mouth to distinguish them from any other very young fish species.
Semi-Juvenile Ember Parrot Fish
They grow into nondescript rust grey and brown females who inconspicuously cruise across the reef crunching on the hard corals. As young fish they travel in groups, but as they get older and bigger, they feed alone.
Juvenile Ember Parrot Fish
As they grow their colouring develops, and they become more spectacular, with bigger bodies, richer fin outlines and the drab brown begins to bloom with new colour. There can only be one male in any area. One day, when the dominant male in an area dies, the largest female loses her mind and her drab colouring and turns into a peacock-coloured randy male who chases the drab brown females across the reef, mating indiscriminately.
As the male reaches terminal stage, his colouring begins to fade and he dies. We have seen huge terminal male Ember Parrot Fish in the sea-grass beds South of Stringer Reef at Sodwana Bay.
On the shallower reefs, you may be lucky enough to see the rare and beautiful Bridle Parrot (Scarus Frenatus) fish, and if you look carefully at the markings, you may be able to distinguish a Tricolour Parrot ( Scarus Tricolor) fish from a Christmas or Starry-Eyed (Calotomus carolinus) parrot fish, or spot an occasional Blue Moon Parrot ( Chlorurus Atrirunula) fish.
We have seen Blue Barred Parrot ( Scarus Ghobban) fish, and in deeper water, around and occasionally on the staghorn corals on the edge of 2 Mile Sodwana Bay, you might be lucky enough to see the richly coloured dark blue velvet of a female Hump Head Parrot ( Chlorurus Cyanascens) fish, or the ornate green and blue of the male Hump Head.
The Parrot fish family lives on the polyps and algae that make up the hard corals, and they graze continually. Living on hard corals is enormously time consuming, as the nutritious part of the polyp is minute. The parrot fishes are at least partly responsible for containing the growth of finger corals and branching corals.
They excrete a fine white powder which in part makes up most of the world’s powder white coral sand beaches – bio-sand production perhaps?
In Mauritius parrot fish are a delicacy, and the result has been a massive depletion in the variety of species near the main Island.
Under-age sex is the norm among the parrot fish here, with very juvenile females taking on the male role when they are too young. They are breeding a dwarf ember parrot fish, which has become quite prolific as it is too small to eat. I have often seen 8 inch little ember males haring after distinctly under-age females with lustful eyes.
On the outer Islands, the parrot fishes grow to normal size, as the subsistence fishermen cannot take their little boats out to the distant Islands. As the numbers of subsistence fishermen drops with the increase of wealth among the Mauritian population on the Island, perhaps we’ll see the exquisite parrot fish replaced on local menus by chicken.
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Words Jill Holloway
Pics David Holloway
Copyright Ocean Spirit
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Jake Davies boards Ghazala Explorer for an unforgettable Red Sea diving experience…
Overnight, the wind picked up, making the planned morning dive a bit bumpy on the Zodiacs to the drop point on Thomas Reef. There, we would dive along the reef before descending through the canyon and then passing under the arch before ascending the wall with a gentle drift. The site provided great encounters with more pelagic species, including shoals of large barracuda, tuna, and bigeye trevally.
Once back on the boat, it was time to get everything tied down again as we would head back south. This time, with the wind behind us, heading to Ras Mohammed to dive Jackfish Alley for another great gentle drift wall dive before then heading up the coast towards the Gulf of Suez to moor up at the wreck of the Thistlegorm. This being the highlight wreck dive of the trip and for many onboard, including myself, it was the first time diving this iconic wreck. I had heard so much about the wreck from friends, and globally, this is a must on any diver’s list. Fortunately for us, there was only one other boat at the site, which was a rarity. A great briefing was delivered by Ahmed, who provided a detailed background about the wreck’s history along with all the required safety information as the currents and visibility at the site can be variable.
Kitting up, there was a lot of excitement on deck before entering the water and heading down the shoreline. Descending to the wreck, there was a light northerly current which reduced the visibility, making it feel more like the conditions that can be found off the Welsh coast. At 10m from the bottom, the outline of the wreck appeared as we reached the area of the wreck which had been bombed, as our mooring line was attached to part of the propeller shaft. Arriving on deck, instantly everywhere you looked there were many of the supplies which the ship was carrying, including Bren Carrier tanks and projectiles that instantly stood out.
We headed around the exterior, taking a look at the large propeller and guns mounted on deck before entering the wreck on the port side to take a look in the holds. It was incredible to see all the trucks, Norton 16H, and BSA motorcycles still perfectly stacked within, providing a real snapshot in time.
Overall, we had four dives on the Thistlegorm, where for all of the dives we were the only group in the water, and at times, there were just three of us on the whole wreck, which made it even more special, especially knowing that most days the wreck has hundreds of divers. Along with the history of the wreck, there was plenty of marine life on the wreck and around, from big green turtles to batfish, along with shoals of mackerel being hunted by trevally. Some unforgettable dives.
The final leg of the trip saw us cross back over the Suez Canal to the Gobal Islands where we planned to stay the night and do three dives at the Dolphin House for the potential of sharing the dive with dolphins. The site, which included a channel that was teeming with reef fish, especially large numbers of goatfish that swam in large shoals along the edge of the reef. These were nice relaxing dives to end the week. Unfortunately, the dolphins didn’t show up, which was okay as like all marine life they are difficult to predict and you can’t guarantee what’s going to be seen. With the last dive complete, we headed back to port for the final night where it was time to clean all the kit and pack before the departure flight the next day.
The whole week from start to finish on Ghazala Explorer was amazing; the boat had all the facilities you need for a comfortable week aboard. The crew were always there to help throughout the day and the chefs providing top quality food which was required after every dive. The itinerary providing some of the best diving with a nice mixture of wreck and reef dives. I would recommend the trip to anyone, whether it’s your first Red Sea liveaboard in the Red Sea or you’re revisiting. Hopefully, it’s not too long before I head back to explore more of the Red Sea onboard Ghazala Explorer.
To find out more about the Northern Red Sea reef and wrecks itineraries aboard Ghazala Explorer, or to book, contact Scuba Travel now:
Email: dive@scubatravel.com
Tel: +44 (0)1483 411590
Photos: Jake Davies / Avalon.Red
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