Dwarf Oto (Otocinclus bororo)
From The Aquarium Wiki
57 Litres (15 US G.)
2.5-3cm (1-1.2 ")
6.0 - 8.0
21.1-26.1°C (70 -79 °F)
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- Otos will mainly graze on some soft algaes, primarily diatoms, and blanched vegetables such as Zucchini (Courgette), Carrot, Potato and Cucumber. They may also accept some algae wafers, but it can take some time to wean them onto these. They will not eat hair algae or green spot algae.
- They eat algae virtually all the time, so ensure they get enough.
- A planted aquarium is a must. Ensure you get them in decent numbers, 3 or more is good. 6 or more is far better. They are a nervous fish if not kept in groups (in the wild they school in groups of several thousands) and have been know to die from stress if kept alone. As this small fish eats whilst resting on a surface, they are easy targets for larger fish in the wild.
- They tend to rest on any object, including the front glass so you'll get plenty of views of their underside.
- These peaceful community fish are often starving when you see them in the average pet shop and consequently they have a reputation of having a high mortality rate within the first month of ownership.
- Some may have adopted a bad habit of scavenging for food by eating the slime coating of other fish.
- Ensure that you look at their bellies carefully in the shop and if they look very thin or hollow bellied then ask the shop to feed them more algae tablets or sliced fruit. These fish need to eat all the time.
- When you get them home (don't just own one or two they get very stressed in small groups), let them settle into a quiet tank and put in plenty of algae tablets and a sliced piece of fruit (see diet section) for them to chew on. The first month is fairly critical to their survival.
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