eastern cape scuba diving
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Dive Type: Boat Dive Depth: 18m - 28m Diver Qualification: Advanced Diver

Gasmic Gorge is Avalanches little brother, lying closer inshore and is part of the “Avalanche” reef area. It is also an advanced diver’s only reef, with a maximum depth of 27 metres.

The site consists of a huge gorge about 4 metres wide and 30 metres long and is well disguised as it drops off the surrounding surface which is rocky with “not so high” rock mounds and gullies.

The bottom of the gorge consists of sand and crushed coral shale and has big ripples about 30cm high caused by the flow of water through this tunnel-like gorge. The walls on either side of the gorge are sheer and rise to about 18 metres below surface and are covered with hard and soft corals.

On the South wall is a medium sized cave that is usually full of fish and occasionally a horse fish hangs out there. Large Raggies have been seen in the gorge as well. The reef surrounding the gorge is very impressive with a number of gullies and walls covered in good growth. Reef fish are also abundant on this reef and it seems to be a visiting place for the occasional inquisitive seal.

Noordhoek ski-boat club

Specie List for Dive site: (PE-WS)-Gasmic Gorge
(Click on the links for more information)
Acabaria rubra (Multicoloured sea fan)
Acanthistius sebastoides (Common koester)
Adeonellopsis maendrina (Brown pore-plated false coral)
Alcyonium variabile (Variable soft coral)
Allopora nobilis (Noble coral)
Amphiroa ephedraea (Horsetail algae)
Anthopleura sp1 (Pale long-tentacled anemone)
Anthostella stepensoni (Violet spotted anemone)
Aphelodoris brunnea-1 (Variable dorid)
Apletodon pellegrini (Chubby clingfish)
Argobuccinum pustulosum (Pustular triton)
Astrocladus euryale (Basket star)
Atriolum marinense (Orange-tubular ascidian)
Austrofromia schultzei (Granular starfish)
Bonisa nakaza-1 (Gas flame nudibranch)
Caffrogobius nudiceps (Barehead goby)
Calliaster baccatus (Cobbled Starfish)
Capnella thyrsoidea (White cauliflower coral)
Catharacta antarctica (Antarctic skua)
Ceratosoma ingozi (Ink pot nudibranch)
Cheilodactylus fasciatus (Red fingers)
Cheilosporum multifidum (Arrowhead coralline)
Chirodactylus brachydactylus (Twotone fingerfin)
Chromodoris heatherae-1 (Red spotted dorid)
Chromodoris sp3 (Domino dorid)
Ciona sp (Transparent ascidian)
Clavelina sp (Bluebell Tunicate)
Cratena sp 4 (Brown orange-eyed nudibranch)
Eunicella albicans (Flagellar sea fan)
Eunicella papillosa (Nippled sea fan)
Flabellina capensis (White edged nudibranch)
Gigantopora polymorpha (Staghorn false coral)
Haploblepharus fuscus (Brown shyshark)
Iphimedia gibba (Hunchback amphipod)
Isozoanthus capensis (Cape zoanthid)
Janolus capensis (Silvertip nudibranch)
Menipea triseriata (Spiral moss animal)
Myliobatis aquila (Bull ray)
Octopus vulgaris (Common octopus)
Oplegnathus conwayi (Cape knifejaw)
Pachymetopon grande (Bronze bream)
Peyssonnelia capensis (Red fan-weed)
Plocamium corallorhiza (Coral plocamium)
Podoclavella spp-2 (Yellow choirboys)
Poroderma pantherinum (Leopard catshark)
Pseudactinia flagellifera (Red false plum anemone)
Pupillaea aoerta-8 (One coloured manteled keyhole limpet)
Pupillaea aoerta-9 (Cushion manteled keyhole limpet)
Sabellastarte longa (Featherduster worm)
Spheciospongia sp (Vagabond sponge)
Tambja capensis (Black nudibranch)
Thecocarpus formosus (Rusty feathered hydroid)
Thysanozoon brocchii (Carpet flatworm)
Tropiometra carinata (Elegant feather star)
Turritella carinifera (Threaded screw shell)
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eastern cape scuba diving