Dive report Moturua Island Tubeworms

Second dive at this spot, first report here https://blog.shaunlee.co.nz/tubeworms/

25 March 2023
1hr before High Tide
Some current
Vis 1.5m
Depth 29.4m

Shane Kelly and I descended closer to the mussel farm this time, near an anchor block. We then headed in the direction of the previous dive at this location. Vis was great on the surface but dropped fast to around 1-1.5 m. Conditions were great, no wind or chop, not much rain recently, perhaps the very high / low tides may have been a factor as well as the summer storms. We only had about 20 minutes on the bottom. We found multiple mounds, some quite large but not as big or dense as the ones we found on the first dive. I was not able to find any obvious Scarlet tubeworms (Galeolaria hystrix), but I did see other tubeworm species. I was particularly pleased to find multiple clumps of bryozoans which I did not find last time. There were a few ascidians I did not recognise.

Posted on March 25, 2023 09:14 PM by shaun-lee shaun-lee

Observations

Photos / Sounds

What

Sea Squirts (Class Ascidiacea)

Observer

shaun-lee

Date

March 25, 2023 10:35 AM NZDT

Photos / Sounds

What

Sea Squirts (Class Ascidiacea)

Observer

shaun-lee

Date

March 25, 2023 10:35 AM NZDT

Description

Botryllus schlosseri?

Photos / Sounds

Observer

shaun-lee

Date

March 25, 2023 10:36 AM NZDT

Description

Two different clumps. Many around. Looks more like Cinctipora elegans but that would be a big range extension.

Photos / Sounds

What

Mediterranean Fanworm (Sabella spallanzanii)

Observer

shaun-lee

Date

March 25, 2023 10:36 AM NZDT

Photos / Sounds

What

Northern Siphon Whelk (Penion sulcatus)

Observer

shaun-lee

Date

March 25, 2023 10:40 AM NZDT

Photos / Sounds

What

Pacific Oyster (Magallana gigas)

Observer

shaun-lee

Date

March 25, 2023 10:44 AM NZDT

Photos / Sounds

Observer

shaun-lee

Date

March 25, 2023 10:35 AM NZDT

Description

Different mounds pictured

Photos / Sounds

Observer

shaun-lee

Date

March 25, 2023 10:45 AM NZDT

Description

Two different animals pictured

Photos / Sounds

Observer

shaun-lee

Date

March 25, 2023 10:40 AM NZDT

Description

Tiny in the middle of the frame

Photos / Sounds

Observer

shaun-lee

Date

March 25, 2023 10:46 AM NZDT

Photos / Sounds

What

Speckled Whelk (Cominella adspersa)

Observer

shaun-lee

Date

March 25, 2023 10:46 AM NZDT

Description

A bit lumpy looking

Photos / Sounds

What

Tipa (New Zealand Scallop) (Pecten novaezelandiae)

Observer

shaun-lee

Date

March 25, 2023 10:46 AM NZDT

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