Interesting algæ , or fungus, help ID - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 2 Old 09-10-2011, 09:54 PM Thread Starter
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Exclamation Interesting algæ , or fungus, help ID

I have a small aquarium with freshwater invertabrates. It includes a small lobster, a handful of clams, three pond snails, and some triops. Because they are localy caught I am no stranger tothe occasional tag along parasites, algae, or fungus. I try to encourage algae growth for the clams and snails, so the water is often slightly green but otherwise fair quality. Until recently I then noticed a white feathery fuzz appearing on the clams, substrate, and plastic plants(, but not the live plants). I had deepened the fine gravel substrate with sand for the clams to have more burrowing room, so I thought it was just sand dust attaching to algae clumps. But it began to increase, even after I added another small power filter, still thinking it was dust that needed to be filtered out. I have seen the clams siphoning the stuff, so I now believe it is organic. The lobster has sometimes been seen eating it as well, but so far nothing is controlling it. Does anyone know aboutr this, is it a threat or just unattractive?
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post #2 of 2 Old 09-11-2011, 01:36 PM
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White fuzz would suggest some sort of fungus. Some are "OK" and some are highly toxic to various fish. I've no idea about invertebrates. And identifying the specific fungus species is not easy.


Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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