I have a 10 gallon and a 5 gallon tank. I have one betta in the 10 and nothing ing the five. I was interested in another betta soroity in tge ten and moving the male to the five but, i really want otos and/or a bristlenose pleco! But where can they go? Can one bristlenose live alone in a five gallon or can three otos with a betta? Or can they be in a sorority with just females? I dont know if it matters but the 5 gal has a sponge filter
I wouldn't put a pleco in either one of those tanks. I have a bristlenose pleco in my 55g, and I wouldn't put him in anything less than a 20L. Otos are VERY sensitive and will often die of malnourishment because they only eat certain kinds of algae and really need to be in a tank that's been established for at least 6 months at the minimum. Sorry. For the 5g I would suggest one nerite snail and for the 10g 2, they're great algae cleaners and have a much lower bio-load than the mystery/apple snail. You could also try shrimp, but sometimes the bettas like eating them then having the shrimp clean for them.
You're thinking of the common pleco. Bristlenose plecos are smaller maxing at 4-5" and have a much less bio-load. But you are right about tanks that small, even though some people consider 20g to be small... Just wanted to clarify that.
I have a female bristlenose in a 20g long and I would concur that this seems like the absolute minimum tank size. She's about 4 inches long and I hope to upgrade her to something larger in the future.
Otos might work singly with a betta.
Once I posted about wanting to put several Otos in a 10 gallon tank with my betta, and here is what I got :lol:
1: Otos should be kept in groups of 3 or more because they get stressed in smaller numbers and are socially dependent
2: If Otos are kept in smaller numbers than 3, they will get too stressed out and may suffer and die (Oh noes!!!)
3: Otos need a 10+ gallon tank, so your 10 gallon should be fine IF you are just keeping it with a betta.
4: Otos are always looking for a meal, so if you want to leave a lot of algae growing behind your plants and decor, that would be good. They should always have a snack such as veggies or algae wafers (make sure your betta doesn't find these--he will gorge himself on them, being the piggy that bettas are)
5: Lightly plant the tank: there should be almost a solid wall of plants in the background. Then lightly plant the front and you'll have tons of fun watching the fishies prowl around in there....hehehe.
6: Put as many Otos in your tank as you can support--NOT too many though, remember that it will decline the tank's quality and will make the fish suffer!!
Good luck!!!
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