Nudibranch Central: August 2018

Friday, August 31, 2018

Species List: 31-08-2018, Rotunda, La Balsa Park, Mooloolah River, Mooloolaba, Sunshine Coast, Qld.

14 species sighted at, Rotunda, La Balsa Park, Mooloolah River, Mooloolaba, Sunshine Coast, Qld, 31-08-2018.

A single shore entry dive by Gary, Chris and Jens of 122 minutes. Maximum depth 5.1 m, 20 C water temperature and around 10 m viz very clean water!

The river continues to impress yet again with very clear water. The usual suspects and then there was Okenia liklik a great find. This being the last day of winter showed us that this winter was quite warm compared to others...global warming?

Species and number thereof sighted
* Species with highest specimen count

Bulbaeolidia alba -2
Cratena lineata -3
Flabellina rubrolineata -12
Goniobranchus daphne -11
Goniobranchus geometricus -2
Goniodoridella savignyi -7
Goniodoridella sp. 1 -17
Goniodoridella sp. 6 -1
Hypselodoris kanga -1
Hypselodoris obscura -4
Okenia liklik -1
Pteraeolidia semperi -2
Tenellia sp. 23 -1
Tubulophilinopsis gardineri juvenile -1

Entry and surface comditions

Jens warming up

Substrate

Hypselodoris obscura

Okenia liklik

Tenellia sp. 23

Goniodoridella savignyi

Flabellina rubrolineata

Tubulophilinopsis gardineri juvenile

Goniodoridella sp. 1

Goniobranchus daphne

Cratena lineata

Goniodoridella sp. 1

Hypselodoris kanga

Hypselodoris obscura pair

Flabellina rubrolineata

The channel marker

Goniobranchus geometricus

Goniodoridella sp. 6

Thursday, August 30, 2018

Species List: 29-08-2018, NE Reef, Old Woman Island, Mudjimba, Sunshine Coast, Qld

41 species sighted at NE Reef, Old Woman Island, Mudjimba, Sunshine Coast, Qld, 29-08-2018.

Julie, David, Terry and Gary on this excursion consisting of 1 x 80 minute and 1 x 76 minute dives in water depths up to 16.6 m, up to 10 m viz, 20 C water temp and a little surge.

The winds had a little to say in regards to our choice of dive site. Old Woman Island on the NE side did not fail us! Upon dropping to the bottom a bridge of rock was presented, a nice feature. Of mention were Elysia sp. 14, Goniobranchus coi, Thorunna florens and a colony of Okenia hallucigenia.

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

Aplysia parvula 1/-
Ardeadoris rubroannulata 1/-
Bornella anguilla -/2
Chromodoris elisabethina -/1
Chromodoris kuiteri -/1
Cratena lineata 1/-
Dermatobranchus fasciatus -/1
Dermatobranchus sp. 7 1/1
Doriprismatica atromarginata 1/3
Elysia sp. 14 -/1
Flabellina exoptata 2/-
Flabellina rubrolineata 2/-
Glossodoris rufomarginata 1/2
Glossodoris vespa -/1
Goniobranchus coi 1/-
Goniobranchus sp. 1 -/1
* Goniobranchus splendidus 6/10
Hypselodoris jacksoni 6/2
Hypselodoris obscura 5/2
Hypselodoris sagamiensis 1/-
Hypselodoris whitei -/1
Jorunna parva -/1
Jorunna ramicola 1/-
Jorunna sp. 2 1/-
Mariaglaja inornata 1/4
Okenia hallucigenia 10/-
Phyllidia coelestis 1/-
Phyllidia elegans -/1
Phyllidia ocellata -/1
Phyllidiella lizae 2/1
Phyllidiella pustulosa -/3
Phyllodesmium macphersonae 1/-
Pleurobranchus peronii 1/-
Pteraeolidia semperi -/1
Sagaminopteron ornatum -/4
Thorunna florens -/1
Thuridilla splendens 8/2
Tornatina sp. 1 shell -/1
Tritoniopsis elegans -/2
Verconia simplex 1/-
Verconia romeri -/1