27-10-2016.
Julie, Terry, & David on this late afternoon/evening single shore entry dive of 140 minutes. Maximum depth 6.2 m, 23 C water temperature and 4 m viz.
An enjoyable dive at our most downstream site. A excellent cross section of species types including a new species of cephalaspidean - Siphopteron sp. 4. Two more species were also added to the list for the river - Austraeolis ornata and Bullina lineata.
Number of species sighted
* Species with highest specimen count.
Austraeolis ornata -1
Bulla vernicosa -1
Bullina lineata -1
Cratena simba -2
Dermatobranchus oculus -1
Dermatobranchus sp. 6 -1
Flabellina angelvaldesi -9
Flabellina rubrolineata -2
* Goniobranchus daphne -11
Goniobranchus reticulatus -1
Goniobranchus splendidus -1
Goniodoridella savignyi -1
Gymnodoris sp. 9 -1
Gymnodoris sp. 17 -1
Hydatina physis -3
Hypselodoris obscura -4
Madrella ferruginosa -2
Pleurobranchus peronii -2
Pteraeolidia semperi -2
Sakuraeolis nungunoides -7
Siphopteron sp. 4 -2 (New species)
Trinchesia sibogae -9
Trinchesia sp. 23 -5
Trinchesia sp. 38 -1
Trinchesia yamasui -7
Gymnodoris sp. 9
Trinchesia sibogae
Siphopteron sp. 4 - New species
Trinchesia yamasui
Sakuraeolis nungunoides
Madrella ferruginosa
Austraeolis ornata
Hypselodoris obscura
Goniobranchus reticulatus
Goniodoridella savignyi
Trinchesia sp. 23
Dermatobranchus sp. 6
Gymnodoris sp. 17
Bulla vernicosa
Bullina lineata
Bullina lineata - posterior view of shell
as it burrows
Hydatina physis
