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A nudi-tastic weekend of diving!

17/11/2019

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The nudibranch Chromodoris aureomarginata (Gold-edged chromodoris) spotted on a night dive.
Chromodoris aureomarginata (Gold-edged chromodoris) - has been renamed Goniobranchus aureomarginatus
A weekend of hunting nudibranchs at the Poor Knights Islands (New Zealand) that was so successful it was worth making a list of all the species encountered!

I did 5 scuba dives, including a night dive, for 368 minutes in the water on 16th and 17th November 2019.

Dive sites:
- Northern Arch
- Blue Maomao Arch
- Blue Maomao Arch (night dive)
- Eastern Arch
- Barren Arch

I've put the common name of the nudibranch in brackets because I know some people will find that name more recognisable.

Nudibranchs:

  1. Aphelodoris luctuosa (Common nudibranch or Variable nudibranch)
  2. Cadlina willani (Willan's cadlina)
  3. Caldukia rubiginosa (Ruby caldukia)
  4. Ceratosoma amoenum (Clown nudibranch)
  5. Chromodoris aureomarginata (Gold-edged chromodoris)
  6. Cuthona cf. scintillans
  7. Dendrodoris citrina (Lemon dendrodoris)
  8. Dendrodoris krusensternii (Gem nudibranch)
  9. Eubranchus sp., undescribed
  10. Flabellina albomarginata (White-margined flabellina)
  11. Janolus ignis (Red janolus)
  12. Okenia mija (Speckled okenia)
  13. Polycera maddoxi
  14. Tambja tenuilineata, including mustard-coloured variant (Fine-lined tambja)
  15. Trapania brunnea (Brown trapania)
  16. Trapania sp., undescribed - *NEW*
  17. Trinchesia sp., undescribed: yellow-tipped cerata with navy/purple highlight and cream speckles, brown rhinophores
  18. Trinchesia sp., undescribed: dark green cerata with cream stripes, pale body has cream stripes
  19. Cadlina sp., undescribed - seen by Jacqui Robson
  20. Jason mirabilis (Jason's nudibranch) - seen by Jacqui Robson
  21. Tambja morosa (Morose tambja) - seen by Jacqui Robson
  22. Tularia bractea, green variant (Metallic tularia) - seen by Shane Housham

Other sea slugs:
​
  1. Elysia sp. (Blue-spotted elysia)
The nudibranchs Ceratosoma amoenum (Clown nudibranch) and Trapania brunnea (Brown trapania)
Left to right: Ceratosoma amoenum (Clown nudibranch), Trapania brunnea (Brown trapania)
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    Nudiblog

    Photographic confessions of a nudiholic!

    Sorry if you were looking for a nude blog - this is not that kind of photo stream. Nudibranchs and sea slugs are awesome, if you don't think so then you've come to the wrong place. This is a catalogue of cool underwater sea slug sightings from New Zealand. I hope you enjoy it.

    PS. This is no place for wreck heads and cave divers, unless you have nice things to say about nudibranchs. :-)

    PPS. What cool nudibranch have you spotted? Email me and I might be able to include it in this NZ nudibranch catalogue.

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