Sunday, August 4, 2019

Species List: 03-08-2019, Rotunda, La Balsa Park, Mooloolah River, Mooloolaba, Sunshine Coast, Qld.

22 species sighted at Rotunda, La Balsa Park, Mooloolah River, Mooloolaba, Sunshine Coast, Qld, 03-08-2019.

A single shore dive by Gary, Gail, David and Brenton of 158 minutes. Maximum depth 5.3 m, 20 C water temperature and up to 7 m viz.

With winter three-quarters done the question of global warming is beginning to be a reality. Last winter and this winter only saw 3 dives in the Mooloolah River with a minimum temperature of 19C. In the past we would see 16C water temps. So into my drysuit I went. The highlight for me was finding Eubranchus sp. 4. at 3 mm long it almost has the Phestilla look. A very elongated Bulbaeolidia alba was also recorded. And of course Cratena lineata continues to be the most common.

Species and number thereof sighted
* Species with highest specimen count

Atys sp. shell -1
Bulbaeolidia alba -2
* Cratena lineata -100+
Cratena simba -1
Doto sp. 6 -5
Eubranchus sp. 4 -1
Eubranchus sp. 10 -6
Flabellina lotos -47
Goniobranchus daphne -3
Goniobranchus decorus -1
Goniodoridella savigny -9
Goniodoridella sp. 1 -44
Goniodoridella sp. 5 -1
Haminoea sp. shell -1
Hypselodoris obscura -12
Hypselodoris zephyra -1
Pleurobranchus peronii -2
Pteraeolidia semperi -2
Tenellia sp. 24 -1
Tenellia sp. 44 -1
Unidentia sp. 2 -1
Unidentia sp. 8 -1

Entry

Ready to go

Substrate

Goniodoridella sp. 1

Unidentia sp. 8

Goniobranchus daphne

Hypselodoris obscura

Cratena simba

Cratena lineata

Goniodoridella savigny 

Goniodoridella sp. 1 with egg mass

Cratena lineata

Cratena lineata

Bulbaeolidia alba

Hypselodoris obscura feeding

Atys sp. shell

Flabellina lotos and Cratena lineata

Pleurobranchus peronii

Eubranchus sp. 10

Eubranchus sp. 10

Eubranchus sp. 4 

Eubranchus sp. 4 

Eubranchus sp. 4 

Flabellina lotos and Cratena lineata

Flabellina lotos

Flabellina lotos

Haminoea sp. shell

Pteraeolidia semperi 

Tenellia sp. 24

Flabellina lotos

Bulbaeolidia alba

Tenellia sp. 44

Tenellia sp. 44

Doto sp. 6 five animals

Goniodoridella sp. 1 mating

Eubranchus sp. 10

Hypselodoris zephyra