Tritoniopsis frydis in aquarium

February 5, 2004
From: Troy M.

Dear Bill,
I was hoping to determine what species I have and whether it is beneficial or detrimental to my tank. I noticed them about 2 weeks after adding some gorgonians from an online retailer. I am in the process of contacting him now to find out where they are from. He is in south Florida. I have only seen them on the Green Sea Whip gorgonian I have. Two have ventured out onto the glass, and one of those made it back to the gorg. The other is missing at this time. It doesn't appear that they are eating the gorg, nor did they do a good job of eating the red slime algae that was on it briefly. Also, I noticed while one of them was on the glass, a small spiral of what appeared to be eggs just behind the slug. The next morning, the slug and eggs were gone.
Troy M.

djxtreme@iname.com

Troy., 2004 (Feb 5) Tritoniopsis frydis in aquarium. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/12088

Dear Troy,
If it is from the Caribbean and is associated with a gorgonian, then I suspect it is Tritoniopsis frydis. If it was from the tropical Indo-West Pacific it would most probably be Tritoniopsis elegans, but that species feeds on soft corals rather than gorgonians.
Best wishes
Bill Rudman

Rudman, W.B., 2004 (Feb 5). Comment on Tritoniopsis frydis in aquarium by Troy M.. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/12088

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