Sunday, June 21, 2026

Species List: 2-06-2026, Bubble Wall Toilet Block and back, Mooloolah River, La Balsa Park, Buddina, Sunshine Coast, Queensland, Australia.

 25 species sighted at Bubble Wall Toilet Block and back, Mooloolah River, La Balsa Park, Buddina, Sunshine Coast, Queensland, Australia. 20-06-2026.

A single shore entry dive with Gary, David and Sheryl of 249 minutes, 1.2 m, maximum depth 6.3 m, 20 C water temperature, up to 4 m viz.

With a 1.2 m tidal flow it was time to check out the Bubble Wall and Toilet Block area. Boy were there a lot of Nudibranchs, probably a thousand could be seen! Armina sp. 1 was recorded today and is a new species. There appears to be no rhinophores and the longitudinal ridges are branched and converge at the anterior end of the mantle, pretty cool! Collected two Coryphellina sp. 9 (Coryphellina davidparkeri) now I have 3 specimens. Not the clear winter water we expected but great non the less. Great dive!

Species and numbers recorded:

Armina sp. 1 -1 NEW SPECIES
Bulbaeolidia alba -3
Coryphellina lotos -100+
Coryphellina pseudolotos -80+
Coryphellina sp. 9 -2
Cratena lineata -100+
Cratea simba -3
Cratena pawarshindeorum -200+
Goniobranchus daphne -2
Goniobranchus setoensis -1
Goniodoridella unidonta -2
Gymnodoris sp. 10 -3
Idaliadoris maugeansis -many young
Jorunna hervei -1
Liloa brevis shell -1
Lomanotus vermiformis -1
Murphydoris cobbi -13
Myja sp. 1 -many young
Pteraeolidia semperi -2
Rostanga sp. 1 -1
Sebadoris fragilis -1
Tenellia sibogae -6
Tenellia sp. 66 -many young
Tenellia sp. 70 -4
Unidentia sp. 1 -50+
Unidentia sp. 14 -8

Entry

Cratena pawarshindeorum x2

Substrate upon descent

Flatworm x2

Flatworm

Many Cratena pawarshindeorum

Bubble wall

Cratena pawarshindeorum

Coryphellina lotos

Cratena pawarshindeorum party

Pteraeolidia semperi

Tenellia sibogae 

Substrate

Cratena lineata

Idaliadoris maugeansis

Idaliadoris maugeansis

Unidentia sp. 1

Goniobranchus daphne 

Unidentia sp. 14

Unidentia sp. 1

Coryphellina lotos 

Coryphellina pseudolotos 

Float

Cratena pawarshindeorum party

Cratena lineata

Murphydoris cobbi 

Bubble wall

What?

Party

Whodat?

Unidentia sp. 14 

Unidentia sp. 14 

Bulbaeolidia alba 

Unidentia sp. 1

Murphydoris cobbi 

Jorunna hervei 

Jorunna hervei 

Cratena lineata 

Goniodoridella unidonta

Coryphellina lotos

Coryphellina pseudolotos party

Coryphellina pseudolotos

Goniobranchus setoensis 

Idaliadoris maugeansis

Myja sp. 1

Coryphellina sp. 9 

Unidentia sp. 14

Cratea simba 

Sebadoris fragilis

Sebadoris fragilis rhinophore

Bulbaeolidia alba 

Coryphellina lotos x2

Channel marker

Substrate

Rostanga sp. 1 

Murphydoris cobbi 

Armina sp. 1  NEW SPECIES

Tenellia sibogae 

Tenellia sp. 70 

Tenellia sp. 70 

Tenellia sp. 70 

What?

Cratea simba

What?

Tenellia sp. 66

Coryphellina sp. 9

Goniodoridella unidonta 

Coryphellina lotos 

Coryphellina lotos

Cratea simba 

Sebadoris fragilis 

Goniobranchus daphne

Gymnodoris sp. 10 eating 
Cratena pawarshindeorum 

Gymnodoris sp. 10

Armina sp. 1  NEW SPECIES

Pteraeolidia semperi 

Jorunna hervei 

Crab

Flatworm

Lomanotus vermiformis 

Liloa brevis