Halgerda sp. 02  Genus: Bergh, 1880

Click the thumbnail photos to enhance!

Halgerda sp. 02 is characterized by its translucent white colour with dark brown/black lines on the ridges and by its opaque white mantle rim.
This species is most likely as Halgerda sp. 3 in IPN, page 183.
Let me quote the description:"The uniform white color and black lines along the ridges immediately distinguishes this species. It has a few black spots and lines on the gill branches and a single black line on the rhinophores." and: "size 25 mm, Distribution: Known only from New Caledonia."
The above picture was taken during a tech dive at a depth of 70 m near Malapascua Island at Monad Shoal seamount.
The photographer Klaus Stiefel writes: "This is the largest nudibranch I ever saw, almost the size of a football."
that is ~27 cm, the size of this specimen is 10 times the size of IPN Halgerda sp. 3, which also differs by orange pigment at the gill pocket.
Gosliner, Terrence M., David W. Behrens & Ángel Valdés. 2008. Indo-Pacific Nudibranchs and Sea Slugs. Sea Challengers Natural History Books.
Gig Harbor, Washington. 426pp.
How to cite:
Köhler, E. (2020), published 28 May 2020, Halgerda sp. 02  Genus: Bergh, 1880
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Doridina/Halgerda_sp_02.htm


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