Saturday, November 16, 2013

Species List: Coral Boulders, Coolum, 14-11-2013

38 species found at Coral Boulders off Point Arkwright, Coolum, Sunshine Coast.
This is an old site recorded by Terry & Julie but not dived for some time.
Terry and David on this excursion consisting of 2 x 90 minute dives in water depths of 6m, on top of the shallow plateau, to 12m. Many boulders and crevices over the edge of the plateau.
5m viz, 22C water temp, some surge.

We need to confirm our name for the large reddish Aplysia that we have temporarily called Aplysia extraordinaria. Also new for us, a very small aeolid we are calling Eubranchus sp. 9.

Number of species sighted: 1st dive/2nd dive
* Species with highest specimen count

Aplysia extraordinaria ? TBC 1/- (This would be a new species for us.)
Aplysia parvula 1/-
Ardeadoris aff. averni -/1
Bornella anguilla -/1
Bullina lineata 1/-
Chelidonura electra 1/2
Chelidonura inornata 6/3
Colpodaspis thompsoni -/1
Dendrodoris denisoni -/1
*Doriprismatica atromarginata 24/14
Eubranchus sp. 9 -/1 (This is also a new species for us)
Flabellina rubrolineata -/1
Flabellina sp. 1 1/-
Glossodoris vespa 1/-
Goniobranchus decorus -/1
Gymnodoris alba 1/1
Hallaxa iju 1/-
Hypselodoris maritima 2/1
Hypselodoris obscura 8/6
Hypselodoris tryoni 1/-
Mexichromis festiva 4/3
Noumea simplex -/1
Oxynoe viridis 2/1
Phyllidia elegans -/1
Phyllidiella lizae -/3
Phyllidiella pustulosa 1/1
Phyllodesmium macphersonae 1/-
Sagaminopteron ornatum 3/4
Tambja tenuilineata -/1
Thuridilla albopustulosa -/1
Thuridilla carlsoni 1/-
Thuridilla splendens 1/-
Trinchesia diversicolor 1/1
Trinchesia puellula 1/1
Trinchesia sp. 1 1/2
Trinchesia yamasui -/1
Tritoniopsis alba 1/4
Tylodina corticalis 4/3

Surface conditions

Bullina lineata

Hypselodoris maritima

Glossodoris vespa

Hypselodoris tryoni

Gymnodoris alba

Phyllidia elegans

Goniobranchus decorus

Tambja tenuilineata

Trinchesia sp. 1

Tylodina corticalis - A mating Pair

Aplysia extraordinaria

The substrate

Eubranchus sp. 9 - Appears to be feeding 
on hydroids growing on Caulerpa.

Chelidonura inornata

Hallaxa iju

Phyllodesmium macphersonae

Aplysia parvula

Dendrodoris denisoni 

Chelidonura electra

Colpodaspis thompsoni

Noumea simplex

Flabellina rubrolineata

Trinchesia puellula

Trinchesia puellula

Thuridilla albopustulosa 

Colpodaspis thompsoni

Colpodaspis thompsoni - ventral view

Trinchesia diversicolor - ventral view

Trinchesia diversicolor

Aplysia extraordinaria

Aplysia extraordinaria