What kind of algae is this? - The Planted Tank Forum
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post #1 of 5 (permalink) Old 04-26-2020, 06:10 PM Thread Starter
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What kind of algae is this?

Iíve thought Iíd seen just about everything but this showed up in my tank. Itís like a thread algae but itís not really attached to anything. I can grab it with my tongs and just pull it out, almost like a string of pearls or rope. The little knots help it stay in place. Itís fairly easy to remove but it grows fast and has intertwined itself in my Xmas moss. Any idea ?


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post #2 of 5 (permalink) Old 04-26-2020, 06:23 PM
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It's definitely not algae, but a plant.

Looks like some Utricularia, maybe U. gibba.
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post #3 of 5 (permalink) Old 04-26-2020, 06:57 PM
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Try Amano shrimp. If you've never had them, don't feed them and they'll find algae and other plants and plant material that are easy to eat (like dying leaves etc.).
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post #4 of 5 (permalink) Old 04-26-2020, 10:11 PM
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Not an algae, as stated above, but Utricularia, an aquatic carnivorous plant. It grows quickly, but is easily removed.
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post #5 of 5 (permalink) Old 04-26-2020, 10:32 PM
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Common name: Bladderwort, and used by many of us (not me). I have also had it appear in the past from nowhere. It probably hitchhiked on one of your plant purchases. Bits of it would get caught in my finer stems and grow, like a vine, interlacing with the stem plant. I would then pluck it out carefully. If any breaks off and remains, it will re-grow from that small piece. After a few months of doing this, it was finally gone.
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