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  • 58 # Date: 2012-10-06 - 11:36
  • # Max Depth: 21.6m Duration: 34mins
Diver's Notes

Shitty weather forced us to move inside the heads to avoid the growing wind and swell. Flagstaff on the harbourside of North Head offered shelter from the wind and waves. Descended to the rock ledges and followed them North. Lots of nooks and crannys in the rock formations gave a good variety of small fish life as well as a number of nudibranchs.

Inexperienced divers in the group stirred up the bottom considerably reducing the vis further. Flagstaff as a dive site does have excellent corals and i got some good photos of sea perch and starfish on the rocks.

Port Jackson
Crimson Banded Wrasse
Maori Wrasse
Senator Wrasse
Mado
Goatfish
Half-Banded sea perch
White Ear
One-Spot Pullers
Bullseyes
Black Tip Bullseye
Black Reef Leather jacket
Rough Leatherjacket
Mosaic Seastar
Biscuit Seastar
Many spotted seastar
Firebrick seastar
Cardinal fish
Immaculate Damsel
Nudibranchs - Pteraeolidia ianthina

Dive Profile
Dive Location

  • Dive type : recreational, photo, Boat
  • Temp: Surf 17°C Bottom 16°C
  • Visibility: Average Water: Salt
Specific gear used
  • BCD: Oceanic - Excursion 2
  • Camera: Sealife - DC1400
  • Regulator: Oceanic - Delta 4.2
  • Regulator: Oceanic - CDX5 First Stage
  • Camera: GoPro - Hero
  • Computer: Oceanic - Geo 2.0
  • Weights: 8.5 Kg
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Dive Profile

  • Tank nº1
  • Steel, 11L
  • AIR mix
  • Pressure: start: 200bar
    end: 90bar
  • SAC: 1.24 bar/min
  • RMV: 13.64 L/min
Data provided by EOL.org

Species Identified

Parma microlepis Günther, 1862 (White-ear scalyfin) Inhabits rocky reefs.
Ophthalmolepis lineolata (Valenciennes, 1839) (Maori wrasse) Found in coastal bays to offshore reefs, often in loose aggregations .
Atypichthys strigatus (Günther, 1860) (Australian mado) A schooling species, particularly common on coastal reefs in southern New South Wales . Also commonly found under jetties in harbors and large estuaries .
Hypoplectrodes maccullochi (Whitley, 1929) (Half-banded seaperch) Inhabits shallow coastal and estuarine rocky reefs . Common in sponge areas, sometimes in loose aggregations .
Trachinops taeniatus Günther, 1861 (Eastern hulafish) Occurs inshore near reefs .
Chromis hypsilepis (Günther, 1867) (One spot demoiselle) Inhabits rocky reefs, occurring in small to large aggregations.
Heterodontus portusjacksoni (Meyer, 1793) (Port Jackson shark) A common shark of the continental shelves , from close inshore at the intertidal zone to 275 m . Segregates by sex and maturity stage . Nocturnal, hides in caves and rocky gullies during the day . Feeds on benthic inver...
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Apogon limenus Randall & Hoese, 1988 (Sydney cardinalfish) Found in rocky estuaries to offshore reefs, usually in small aggregations .
Mecaenichthys immaculatus (Ogilby, 1885) (Immaculate damsel) Inhabits rocky or weedy inshore reefs.
Pempheris multiradiata Klunzinger, 1879 (Common bullseye) Schooling in caves and near rocky reefs .
Eubalichthys bucephalus (Whitley, 1931) (Black reef leatherjacket) Occurs on the continental shelf . Observed in pairs, secretly moving about in and out of holes among boulders .
Upeneus australiae Kim and Nakaya, 2002 (Australian goatfish) Adults feed mainly on shrimp (47%).
Glossolepis maculosus Allen, 1981 (Spotted rainbowfish) Inhabits high altitude (150-800 m) swamps and creeks. An egg laying species which prefer the following aquarium conditions: pH=7.8, H=12, 25°C water temperature.
Pempheris affinis McCulloch, 1911 (Black-tipped bullseye) Found in coastal waters in rocky reefs, ledges and caves during day .
Scobinichthys granulatus (White, 1790) (Rough leatherjackets) Found in seagrass beds and on rocky reefs. Females of this species may be confused with female Penicipelta vittiger [= Acanthaluteres vittiger] .
Pictilabrus laticlavius (Richardson, 1840) (green parrotfish) Inhabits rocky reef-algal habitats and occurs to as deep as 40 m .
Synodus variegatus (Lacepède, 1803) (Variegated lizardfish) Inhabits deep lagoon and seaward reefs to depths over 40 m ; sometimes found on sandy bottoms concealing itself in the sand. Prefers to rest on hard surfaces and frequently occurs in pairs . Benthic . Feeds on small fis...
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