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Old 06-20-2011, 03:57 PM   #1
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Ottos

How many ottos should i keep in my 20 gallon tank? also how big do they get?
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Old 06-20-2011, 03:58 PM   #2
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They stay under 1.5 inches. The real question is, is your tank established, cycled, and has it been going for a few months with good, green algae growth?
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Old 06-20-2011, 04:01 PM   #3
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Ive had my tank for 8 months, and the fish seem happy. My algae population is relatively small. I am planning on increasing the algae population, but i simply asked how many because once i want my algae controlled, how many?
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Old 06-20-2011, 04:01 PM   #4
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Make sure there is enough algae for them to eat. Id get 3 if there is plenty. They stay pretty small. I have a 29 gallon and two are working out perfectly and keeping our previous brown algae attack under control
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Old 06-20-2011, 04:02 PM   #5
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Ok then. Thanks.
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Old 06-20-2011, 04:03 PM   #6
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Agreed, wait until you see algae growth. =] Otos can be finicky eaters, and don't always eat the veggies or wafers you may lay for them.

However, they do need to be in groups of 3 or more as they're social fish. I'd say 3-4 is a good number for you.
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Old 06-20-2011, 04:06 PM   #7
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Yeah we had 3, but one didnt last long. We think maybe he just wasnt as well fed in the store as the other two. And the two we have play together all the time. Its funny.
We didnt even know about Otos until I read stuff on here about the brown algae and what algae eater is best for that.
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Old 06-20-2011, 04:07 PM   #8
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Yeah. =] Our 3 otos in our 29 eat green hair algae and any green spot that grows on the walls.
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Old 06-20-2011, 04:07 PM   #9
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Ok thanks. Any tips on increasing algae growth?
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Old 06-20-2011, 04:07 PM   #10
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Keep your lights on longer, it's foolproof. =D
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