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06.05.17

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"Was ist das?"

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GRADOT @ Weichtiere am 13.02.18

Hello Seemax,
if the tip of the rhinophores is white (which I can't see on your picture), then I would say it is Dendrodoris nigra, which is a rather common species in the Indian Ocean.

http://seaslugs.free.fr/nudibranche/a_intro.htm

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GRADOT @ Stachelhäuter am 24.01.18

Hard to say from a picture but if it is small (20mm span for the arms and 5mm for the body), it might be Ophiactis savignyi (Müeller -not Muelly- & Troschel, 1842)

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GRADOT @ Stachelhäuter am 24.01.18

Wahrscheinlich Culcita novaeguinae.

https://www.flickr.com/photos/129108168@N08/15659198635/in/dateposted-public/

Jean-Marie

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GRADOT @ Sonstige Meeresbewohner am 23.01.18

I agree with you. It could very well be a juvenile form of Stichopus monotuberculatus which is white and almost transparent during the first stages of its life.
Entschuldigen sie mir, ich muss mein Deutsch verbessern.
Jean-Marie

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GRADOT @ Weichtiere am 27.11.17

Hallo Muelly,
I don't want to sound pedantic about the name. It is just that I was corrected on one of my pictures by someone who really knew about the subject. In fact, the latest classification (2015) defines Cylinder as a subgenus of Conus. As a consequence, we are not supposed to use Conus.

https://en.wikipedia.org/wiki/Cylinder_(gastropod)

But I am sure it will take years before this change of name is effective among aquarists. I guess lots of aquarists still use Pelmatochromis pulcher instead of Pelvicachromis. Not that it matters that much.

All the best
Jean-Marie