Re: Halgerda tessellata from sthn Queensland

November 12, 2008
From: Gary Cobb


Concerning message #20509:

Hi Bill and everyone!
While we're on the subject of Halgerda... here are some photos another equally beautiful and medium sized nudibranch to add to the Forum's collection. Halgerda tessellata. I have included a really nice ventral view where you can see all the features!

Locality: Mooloolaba, Sunshine Coast, 15 m, Queensland, Australia, Pacific Ocean, 11 November 2008, Subtidal. Length: 18-27 mm. Photographer: Gary Cobb.

Cheers
Gary

gary@nudibranch.com.au

Cobb, G.C., 2008 (Nov 12) Re: Halgerda tessellata from sthn Queensland. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/22035

Thanks Gary,

These photos show what I consider to be the Western Pacific colour form of the species. You will note the white specks and spots are realtively small except in a wide band around the mantle edge. In the Indian Ocean form the white spots are evenly spread over the brown parts of the mantle with no marginal concentration.

Best wishes,
Bill Rudman

Rudman, W.B., 2008 (Nov 12). Comment on Re: Halgerda tessellata from sthn Queensland by Gary Cobb. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/22035

Factsheet

Halgerda tessellata

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