Re: Glossodoris atromarginata in aquaria

January 15, 2002
From: BK

Thanks for your comments on my animal. Instead of trading this creature back to the aquarium store, causing more stress on the creature, what exactly could I feed it if I decide to hold onto it? what kind of sponge would I have to get?

This is the first time my aquarium store was sent this nudibranch and they have asked me to collect as much information as possible on how to care for it.

Thanks,
BK

chess_wizard_1@yahoo.com

BK, 2002 (Jan 15) Re: Glossodoris atromarginata in aquaria. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/5964

Dear BK,
If you look at the continuing correspondence concerning the keeping of Hypselodoris bullocki in aquaria you will see that keeping these animals in almost impossible. Firstly each species feeds on only a few species of sponges, and often we don't know the names of the sponges they feed on. If you look through the Glossodoris atromarginata page you will see photos of a number of sponges which are potential food. So even with one of these photos how is your aquarium shop keeper going to order the correct sponge for you? Even if you have the correct species name it is unlikely that the collectors in the tropical Pacific or Indian Ocean are going to be able to identify the sponge you need. If by a miracle they do find the right sponge then there is the problem of keeping the sponge alive and healthy for the journey to you through at least three middle men. If by another miracle it arrives in good condition you are going to need a sophisticated aquarium systen to keep the sponge alive and healthy. While trying to kep it alive and healthy you will be letting loose on it a nudibranch whose only aim is to scrape big chunks of tissue off it. All in all I would say your chances of success are very slight. And after the Glossodoris has eaten this precious sponge you will need to repeat the process again and again and .....

Is there an alternative food? While replacement foods have been developed for aquarium fish I know of none for specialised invertebrates. I am sorry to sound defeatist, but the important message is to let aquarium shops know that these animals should not be traded. I realise they are passing on what the collectors are passing on up the line of middle men, but the trade will only stop if aquarium shops refuse to buy them.
best wishes,
Bill Rudman

Rudman, W.B., 2002 (Jan 15). Comment on Re: Glossodoris atromarginata in aquaria by BK. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/5964

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Glossodoris atromarginata

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