Chromodoris from Marshall Ids

November 22, 1999
From: Scott Johnson


Hi Bill,

Here are a couple of shots of a Chromodoris species I have from both Enewetak and Kwajalein in the Marshall Islands. As you can see from the photo, it is orange red with a wide white margin. What is not so visible is that both the anterior and posterior ends of the mantle have a rather narrow deep orange red margin and equally narrow yellow submargin. The rhinophore lamellae and branchial pinnae are irregularly edged with white. Its radula makes it a typical Chromodoris, and it's one of the species whose egg masses always have an orange extra-capsular yolk body adjacent to each ovum. I've never been able to find a name for it. The single specimen is about 15mm long, and each of the pair by their prey sponge in the other picture is 5-7mm.

Scott.

johnson@kmr.ll.mit.edu

Johnson, S., 1999 (Nov 22) Chromodoris from Marshall Ids. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/1562

Thanks Scott,

Your mention of extra capsular yolk made me wonder if you had any photos of eggs with and without egg extra capsular yolk and any other peculiarities. If more of us could actually see the differences in a photo, it might lead to more observations being reported.

Best wishes,
Bill Rudman.

Rudman, W.B., 1999 (Nov 22). Comment on Chromodoris from Marshall Ids by Scott Johnson. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/1562

Factsheet

Chromodoris sp. 7.

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