28. Further Fijian Nudibranchs

Chromodoris lochi sst x 2 2015 Fiji 2 cmp

This is a photographic post to complete my catalogue of nudibranchs, and similar animals, seen in the waters of Fiji a few months ago. Above is a pair of Chromodoris lochi, a repeat species from the earlier post, but irresistible.

All the nudibranchs here are very small animals, a centimeter or so long in some cases, a couple of centimeters in others.

Roboastra gracilis PGS 2015 Fiji

Above is Roboastra gracilis. According to Bill Rudman, Roboastra contains some predatory species who hunt down other nudibranchs.

Nembrotha lineolata Fiji 2015 PGS cm4

Nembrotha lineolata, I think (there seems to be color variation in this species). This is from the same family as the second, Nembrothinae.* They, in turn, are relatives of this species, Polycera capensis, from my Nelson Bay photos.

Janolus ? Fiji 2015_5965 ps cm2

I think this might be a Janolus, though I don’t know the species. This genus contains some of the most spectacular animals and is the subject of many of the most astounding nudibranch photos (just google ‘Janolus‘). The orange strand to the left, on the tiny tree of seaweed, may be the animal’s eggs, or those of another nudibranch.

Flabellina roams fiji 2015 sst-n cmp

Flabellina rubrolineata. A great traveller: from the Red Sea to Australia and Fiji.

Finally, a vertebrate from those Fiji dives:

Anemone Fish Wananavu PGS 2015 cmp2


Notes: These shots did have added light. The fish is a Tomato Clownfish.

* Another interesting photo of the hermaphroditic Nembrotha is here.

Mick Saliwon, co-owner with Lyn Cleary of the Ocean Trek dive boat we’ve used for two of our Octopolis trips, had a serious accident last week while helping someone with their boat, and is in hospital. Mick and Lyn have been very generous to our octo group. Best wishes from Metazoan to Mick.

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2 Responses to 28. Further Fijian Nudibranchs

  1. Gabby says:

    Stunning nudibranchs! I will have to add Fiji to my list for more than soft coral and sharks.

    • PGS says:

      The coral is indeed amazing. The area we dived, Bligh Waters, seemed to have been overfished. Not a lot of sharks for you to wallop. But I’d certainly recommend diving there anyway.

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