Elysia serca from Bahamas - dark form

March 12, 2004
From: Marina Poddubetskaia

Dear Bill,
To complete my previous message [#12391] about Elysia serca, here are the photos of the dark colour form of this species.

Kathe Jensen wrote:
"There is a slight possibility that the darker coloured specimens are E. catulus which is found further north (Connecticutt to Chesapeake Bay). This species also feeds on seagrasses, and is very similar to E. serca (and may actually be the same species too) ... The dark pigmentation is probably one gene, which is either present or not."

Date: February 03, 2004
Location: Great Exuma, Bahamas, Western Atlantic. Site: Stocking Island, Hole n°2. Depth: 1m. Size: 4-5mm.
Photos: Marina Poddubetskaia - Nembro website

Cordially,
Marina.

nembro@nembro.info

Poddubetskaia, M., 2004 (Mar 12) Elysia serca from Bahamas - dark form. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/12392

Thanks Marina,
As I said before, it seems very likely that E. catulus is the oldest name for a single species which lievs all down the Atlantic coast of Nth and Sth America.
Best wishes
Bill Rudman

Rudman, W.B., 2004 (Mar 12). Comment on Elysia serca from Bahamas - dark form by Marina Poddubetskaia. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/12392

Factsheet

Elysia serca

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