How Many Amano Shrimp For A 40 Gallon Breeder? - The Planted Tank Forum
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post #1 of 3 (permalink) Old 06-09-2019, 03:09 AM Thread Starter
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How Many Amano Shrimp For A 40 Gallon Breeder?

I have a 40 gallon breeder (36 by 18 by 16 inches), heavily planted low tech tank, and am going to add some Amano Shrimp to eat hair algae and also just because I would really like to have shrimp again. In the past I've had a species tank for Cherry Shrimp for a few years, where I aimed for up to 10 shrimp per gallon of water. But Amano Shrimp seem a lot bigger, and I think that rule would not apply as well for them as for smaller Dwarf Shrimp. I also have a busy bottom of the tank already, with 6 False Julii Corycats, 1 Albino Longfin Bristlenose Pleco, and in the future a single Bolivian Ram. I will be putting in various types of sinking food for all of them. In my past experience with shrimp, they mostly hang out on the bottom and on surfaces like plants and driftwood throughout the tank. I want to get enough shrimp to serve as a competent algae team and have the shrimp visible in groups, but not to the point that things are too busy for everyone's liking. I've heard suggestions from 1 Amano per 10 gallons to 1 Amano per 2 gallons. What would be a good number to aim for?
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post #2 of 3 (permalink) Old 06-09-2019, 03:33 AM
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I would do about 10 or so Amanos in there as long as there is plenty of food (algae, bio film or fish food). Iíd be surprised if the ram doesnít try to eat them though.

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post #3 of 3 (permalink) Old 06-09-2019, 04:05 AM
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I personally have kept two Amanos in 3.5 gallons with no issues. I’d say a good general idea would be 1-2 per gallon, but if you have a heavily planted tank like yours, you could probably have even more than that, and if you made sure that you could provide some food specifically for them, even more. I haven’t noticed that they ever fight amongst themselves or anything, so food availability is really the only limiting factor. For your 40 gallon heavily planted, I’d say you comfortably have ~50, but that’s a lot of Amanos to buy! Amanos are much more active than cherry shrimp in my experience, so you could probably get ~25 and be able to see a few of them out all the time.
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