okapizebra
Aquarium Advice Addict
Not all of them.
This one's a CAE
http://www.tropicalfishkeeping.com/fish-pictures/chinese-algae-eater-1266568359-800.jpg
Here's an otto.
http://www.photosmacking.com/images/Others/otocinclus-catfish.jpg
Pics from google.
This one's a CAE
http://www.tropicalfishkeeping.com/fish-pictures/chinese-algae-eater-1266568359-800.jpg
Here's an otto.
http://www.photosmacking.com/images/Others/otocinclus-catfish.jpg
Pics from google.