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Dive Reports

28-08-2025 Horseshoe Bay

DAY/DATE

Thursday

28/08/2025

SITE/S

Horseshoe Bay

Bowen

 

PARTICIPANTS

Terry

 

TYPE

Subtidal

 

MODE

Shore Entry

 

VESSEL

–

 

DIVE

1

 

SITE/S

Horseshoe Bay

 

SPECIES #

1

 

DURATION

87 Min

 

DEPTH/RANGE

4.9 m

 

TEMP.

23 C

 

VIS.

5 m

 

SURGE

Nil

 

CURRENT

Nil

 

COMMENTS & OBSERVATIONS

A middle of the day shore dive in excellent conditions meant that I was greeted with a crowded beach and carpark and had to gear up on the grass rather than a usual table. Although still unable to dive, Julie came for a snorkel and to act as surface watch – her help in lugging my gear back up the beach was invaluable!

The low critter count is an indication of how much her keen eyesight contributes to our usual species counts. I am sure that there were many other species to be found but they were not visible to my ageing eyesight. The Niparaya sp. 8 was a pleasing find as we had not seen it in the Whitsundays previously; it is always good to add to the list of new species for here.

Taxonomic data:
No nudibranchs were sighted.  A single species of Aglajidae, a cephalspidean (headshield slugs) was recorded

Historical Data:
– We have now completed 20 survey dives at this site since our first survey here on 12/06/2018.
– We have recorded 46 species at this site.– This is the first time we have recorded Niparaya sp. 8 in the Whitsundays.
 – The species we record most often at this site are Gymnodoris citrina (55% of dives), Elysia sp. 30 (30%), Samla bicolor (25%), and Jorunna funebris (20%). None of these species were sighted on this survey.
 – The most prevalent species we record here are Gymnodoris citrina (1.1 per dive), Elysia sp. 30 (0.9 per dive), Samla bicolor (0.6 per dive), and Bulbaeolidia alba (0.5 per dive).
 – Our last survey at this site was on 22/05/2025.

Guide to Symbols:
+++ New Species
+ First time sighted in Whitsundays
# Most commonly sighted at this site with %

TOTAL SPECIES SIGHTED: 1

 

SPECIES LIST – ALPHABETICAL

Niparaya sp. 08 -1+

SPECIES GROUPED BY ORDER

Nudibranchia
Dorids
Phanerobranchs
–
​Cryptobranchs
–
Porostomes
–
Cladobranchs
Aeolids
–
Arminids
–
Dendronotinids
–

Cephalaspidea
– Niparaya sp. 08

Sacoglossa
–

Umbraculoidea
–

Pleurobranchoidea
–

Anaspidea
–

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