Berthellina citrina from New Zealand

August 27, 2009
From: Graham Bould

Concerning message #22587:

Are you able to ID this seaslug. It does not appear to have exernal gills.

Locality: Rocks, Low tide level, Whangaparaoa, New Zealand, Pacific, 22 July 2009, Under stone in rock pool. Length: 30 mm. Photographer: Graham Bould.

Graham Bould.

graham@grahambould.net

Bould, G., 2009 (Aug 27) Berthellina citrina from New Zealand. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/22588

Dear Graham,

As with your earlier query on Berthella ornata, this is also a pleurobranch, a group in which the gill - or gills in a few cases - is found on the right side below the mantle skirt. While Berthella ornata is found only in New Zealand, this one, Berthellina citrina, has a wide distribution throughout the warm water parts of the Pacific and Indian Oceans.

Best wishes,
Bill Rudman

Rudman, W.B., 2009 (Aug 27). Comment on Berthellina citrina from New Zealand by Graham Bould. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/22588

Factsheet

Berthellina citrina

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