Easy to tell the difference between otos and CAEs but I can see how one could mistake them.
Otos are normally peaceful but on occasion they have been known to suck slime (we believe). Could be desperate searching for food. There are many species of otos (at least 12) and they are very hard to tell apart. The most common 2 (IME), are vittatus and affinis.
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For in much wisdom [is] much grief: and he that increaseth knowledge increaseth sorrow.
Member of the AGA (Aquatic Gardner's Association)
Member of the IBC (International Betta Congress)
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