A few days in Knysna

Beaching the ferry in shallow water
Beaching the ferry in shallow water

We were very upset to hear that Lightley’s Houseboats, operating on the Knysna lagoon, went into liquidation last year. Fortunately the boats and licence to operate have been acquired by a lovely Dutch couple who are now operating under the name Knysna Houseboats. We took a short break in late April and spent four nights on a houseboat on the lagoon. The boats have been refurbished, standards have been raised, and the company has moved from the jetty at Belvidere to one in the Thesen Island harbour.

Entrance to the Knysna lagoon from the sea
Entrance to the Knysna lagoon from the sea

Houseboating is the most relaxing kind of holiday you can have; no unexpected visitors, no television (well, we don’t have one of those at home either), no computers (Tony forgot his and didn’t miss it at all), and nowhere particular to go. A skipper’s licence isn’t required to pilot the boats, but you have to go through a half hour course and write a short test before being issued with a temporary licence. The boats have a single 40 hp motor, and ours reached a roaring top speed of 10km/h heading downcurrent.

The last two occasions we’ve visited Knysna we dived in search of seahorses, beneath the Sanparks jetty on Thesen Island. The time to do this is half an hour before high tide, for a couple of reasons. One is that the tidal currents in the lagoon are something fierce; unless you want to do a drift dive out through the Heads, you have to dive near slack water. The other is that the rising tide brings clean seawater into the lagoon, increasing visibility. At low tide (we discovered last time we dived there) the visibility is so bad you can’t see a hand in front of your face. We found seahorses both times we dived in Knysna, but the second time (at low tide) more luck than skill was involved.

This time, high tide fell very early in the morning and in the evening. Because it’s close to winter, days are short, and we’d have had to have dived just before sunrise or just before sunset to coincide with the tide. This seemed like hard (and cold) work. We were on holiday, and lazy, so we left the dive gear at home this time. Hopefully next time we go to Knysna the tides will be in our favour, because I did miss seeing those little critters!

One thing we did do that caused us raucous enjoyment was to sit on the edge of our boat one evening as the tide was going out, with a torch and a plastic salad bowl. The most amazing creatures swam past on the outgoing tide, and with some judicious co-ordination of torch and bowl we were able to catch one or two of them, take their picture, ooh and aah, and then release them back into the lagoon. We saw flatworms, lots of baby sole, shrimps with incredible glowing eyes and almost transparent bodies, and even a small blue fish shaped like a needle that we weren’t quick enough to catch.

Seal beating an octopus

During the day we looked at birds, motored around the lagoon a little bit, read, napped (embarrassingly much), and enjoyed the view. On one occasion we beached the boat and Tony wandered up and down a sandbank, where we could hear the sounds of mudprawns and a host of other creatures living just under the mud exposed by the retreating tide.

Heron on a moored boat
Heron on a moored boat
Geese in formation
Geese in formation

There is currently no dive operator or shop in Knysna, but they seem to open and close frequently. There is an angling and diving club in Knysna, and they can probably refer you to a local diver who can guide you if you want to dive the wreck of the Paquita near the Heads, or one of the other reefs in the area outside the Heads.

Rowing boat on shore
Rowing boat on shore

Sea life: Worms

Worms may not seem to be a particulary alluring choice of topic to mull over, and I’m actually inclined to agree with you after listening to my sister (mother of an infant) recounting the tale of how a friend of a friend had to remove a roundworm from her toddler’s nose (DON’T ask)… But marine worms are somehow less repulsive than terrestrial ones, and certainly come in a huge variety of shapes and sizes. Fanworms are pretty, but all the rest have at least something interesting about them…

Most marine worms are segmented, from the phylum Annelida. The examples here, however, are not!

Peanut worm on the Clan Stuart
Peanut worm on the Clan Stuart

Peanut worms, which belong to the phulum Sipunculida, have a tubular portion called an introvert that can be squeezed out with muscular contractions. Very attractive. They are unsegmented and when threatened they can contract their bodies into the shape of a peanut by retracting the introvert.

Milky scaleworm at Long Beach
Milky scaleworm at Long Beach

I found this milky scaleworm at Long Beach, and thought it was a feather in the shallow water on the sand. When the feather ran away from me, my impression was corrected! These little worms often share burrows with sandprawns, which are quite copious at Long Beach. Milky scaleworms are Polychaetes, which implies that they have chitin protrusions (usually kind of furry) emanating from each of their body segments.

Underside of the milky scaleworm
Underside of the milky scaleworm

Glycerine worms live in the sand, and I sometimes see them moving vigorously. They are also Polychaetes. They have four sharp sets of jaws and is quite a vicious predator (as worms go), feeding on other worms and crustaceans.

Glycerine worm at Long Beach
Glycerine worm at Long Beach

Flatworms belong to the phylum Platyhelminthes. I was very excited to see my first carpet flatworm in April, but the sighting was immediately (minutes later) followed by several more, and again on subsequent dives over the next few weeks. These worms are often mistaken for nudibranchs, but they’re worms through and through. The knobs on its surface are for camouflage, and also to increase the worm’s surface area. This assists in respiration.

Carpet flatworm at Long Beach
Carpet flatworm at Long Beach
Head-on view of a carpet flatworm
Head-on view of a carpet flatworm

Newsletter: Seasons of the sea

Hi divers

We have had some amazing diving days of late. Friday saw conditions at Long Beach that we have been longing for for months. Warm, clean water with an abundance of life. The ocean’s seasons are very interesting aspects of diving for Clare and I, and thanks to Clare’s logbook and amazing photos we have a much better idea now than we had a year ago of what you can find and when.

Pint size octopus at Long Beach
Pint size octopus at Long Beach

We have been fortunate enough to see tiny octopus, warty pleurobranchs spawning egg ribbons, klipfish mating, huge rays feeding and shysharks having a feeding frenzy. We visited the cowsharks, watched sadly as injured and hooked sharks struggled to adapt to the harm inflicted upon them by man, and watched a juvenile jutjaw and a doublesash butterflyfish grow from 2 centimetres to close to 6 centimetres before they moved off from their tiny safe house to brave the ocean.

Carpet flatworm at Long Beach
Carpet flatworm at Long Beach

On the weekend Clare found a juvenile sole so small and so well camouflaged it almost avoided her beady eyes. We always find something new and interesting in the ocean. We have watched our small artificial reef go from bits of wood and plastic to a small colony of life. The list is endless.

Transparent anemone at Long Beach
Transparent anemone at Long Beach

Diving at this time of year is not to be missed. (That applies all year round!)

Recent dives

Basket star on Tafelberg Reef
Basket star on Tafelberg Reef

We dived the Atlantic early Sunday, Grant taking us to the yacht wreck on Klein Tafelberg reef. We were looking for depth to continue the Deep Specialty and our maximum depth was 37 metres in 10 degree water with amazing visibility, 15-20 metres. We had to perform a simulated emergency deco stop for 8 minutes and during this time we had seals nipping at Cecil and I, and a jellyfish bonanza. We had a dive time of 36 minutes and we dived on Nitrox.

Cecil and a curious seal
Cecil and a curious seal

From Hout Bay we dashed to Long Beach to dive with the two Divemaster candidates and continue the Advanced Course doing navigation. Back in the water once more for a Refresher, and home to download the photos. The ocean was warm at Long Beach, 17 degrees, calm and the visibility was 5-6 metres.

Part of the yacht wreck on Tafelberg Reef
Part of the yacht wreck on Tafelberg Reef

Atlantic diving should start to fade soon as the seasons change and the prevailing winds come from the north west. This cleans and cools to False Bay area and the visibility gets better and better.

Side of the pinnacle at Klein Tafelberg
Side of the pinnacle at Klein Tafelberg

Trips

We are off to Sodwana on Saturday for a four night/six dive trip, and the group, 13 in total, are all looking forward to this. We will post photos and video when we get back. I think we have five or six cameras for this event so there are bound to be loads of good photos.

Planned dives

We are hoping to book two launches for the Friday after we return from Sodwana, that being Easter Friday and booking is essential. We will plan to go to a wreck for the first dive and possibly a barge wreck or reef for the second launch. I need to give Grant some numbers before I leave for Sodwana so please let me know as soon as possible.

Courses

I am starting a new Deep Specialty course as soon as we get back from travelling. It’s a good idea to do the enriched air/Nitrox specialty at the same time. This combination qualifies you to dive to 40 metres, and gives you longer bottom times and safer diving.

Regards


Tony Lindeque
076 817 1099
www.learntodivetoday.co.za
www.learntodivetoday.co.za/blog

Diving is addictive!