Nembrotha chamberlaini mating

March 7, 2002
From: Todd Garthwaite


Dear Bill,
Are these two Nembrotha purpureolineata mating? I photographed this pair on December 5, 2001, at 12:39pm at a dive site called 'Kilimar Steps', Puerto Galera, Oriental Mindoro Province, the Philippines. The depth was 18.9 meters, and the water temp. was 26 deg. Celsius. I'm sorry. I don't have any size information.
Stay golden.
Best wishes,
Todd Garthwaite
(Taipei, Taiwan)

typhoontoddy@yahoo.com

Garthwaite, T., 2002 (Mar 7) Nembrotha chamberlaini mating. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/6323

Dear Todd,
Yes these two animals are mating. Nudibranchs are hermaphrodite with fully functioning male and female reproductive organs which open on the right anterior quarter of the body. For some reason, species of Nembrotha when they mate stay quite a distance apart the colourful copulatory organs extending quite some distance. They remind me of the docking devices that are used when planes refuel in the air.

Although it looks very similar to Nembrotha purpureolineata, this species is Nembrotha chamberlaini. There are a number of similarly coloured species. N. chamberlaini seems to differ from the others in having the red colouration of the gill extending down onto the dorsum.
Best wishes,
Bill Rudman

Rudman, W.B., 2002 (Mar 7). Comment on Nembrotha chamberlaini mating by Todd Garthwaite. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/6323

Factsheet

Nembrotha chamberlaini

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