Love to see a picture of the red blacks.
I am assuming red black is a variant of ancistrus cirhosis BN Pleco.
Unusually I have nothing more to add...
Welcome to Aquarium Home Farm Center, a
professional breeder of the Dragon Fish, the Asian
Red Arowa ...
I am the owner of Custom Acrylic Reef. We can
build your dream custom acrylic aquarium and then
Looking to buy a young male A. Rivulatus less than
a year old