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Busy Benthos,macro,25-04-2013 nth cst KI DSM The dark reddish brown animal occupying the 'tubeworm-like' ostium(centre right) is in fact a gastropod mollusc,Serpulorbis sipho.This loosely coiled tubular shell is a common littoral zone species which is endemic to southern Oz.(Fact:95+% of ALL molluscs found in southern Oz are endemic to the region).This shells' basal coils are very firmly cemented to rocks,pinna shells,and other hard surfaces,singly or in clumps.They are suspension feeders,extruding a net of mucous threads.
Sponge crab, Pelican Lagoon KI 27-04-2013 DSMci_6160_9714ci Pelican Lagoon is a unique dive site,suited to both shore and boat dives(and ideal for safe shallow drift dives on incoming tides),and has some beaut sponge gardens(mostly these are at 3 to7m depth)which shelter a huge array of mainly smaller marine lifeforms,especially invertebrates.The lagoons extensive segrass beds are also a pipefish hotspot,eg for Verco's PF.
Flathead@4m dpth, WRCove nth cst KI 28-04-2013 DSMci_6261_9803
Caulerpa @ 3m depth,eastern side of WRC KI SA 28-04-2013 DSMci_6317_9844ci
Red Alga,possibly Nizymenia sp., Pelican Lagoon KI 26-04-2013 DSM ci_5982_10102
Detail of Echinaster arcystatus seastar, nth cst KI 24-04-2013 DSMci_5310_10210
Compound Ascidians in SA (old scan) dsm ci2221
Pencil Urchin off Glenelg, metro Adelaide, GSV SA (old slide) dsm ci222056
Trevallies in SA waters, old scan, dsm i122487
Gulf Pipefish (S.narinosa )@Brighton Bch nr jetty, SA 14-02-2010 dsm ci191665
Decorator Crab14-02-2009 hotspot Normanville SA dsm ci62306
Leatherjacket w grass,hotspot Normanville SA 14-02-2009 dsm ci62322
Mullet feeding14-02-2010 (v.snkl inside sandbar) Brighton Bch SA dsm ci191682
Pencil Urchin,redder than most,@hotspot Normanville SA (old slide) dsm ci222047
Pearson Island late arvo from Ngerin's rear deck April1990 dsm i117146
Pencil Urchin off Glenelg, metro Adelaide, GSV S A(old slide) dsm ci222056
Pearson Island in Inv. Gp SA from rear deck, Ngerin Fisheries Research vessel, circa 1990 (old scan)dsm i103513
Orange sponge in Sir JB Gp SA 14-05-2009 dsm ci33909
Oxygen from algae in intertidal pool Lady Bay SA 06-02-2011 dsm ci235247
Bluering Octopus 26-04-2013 Pelican lagoon KI SA DSMci_5905_10027
