allaboutfish
Aquarium Advice Addict
not too small. uhhhhh.... here's a great site on them.Fish Profile for Whiptail Pleco, Whip Tail Pleco, Whiptail Catfish, Whiptail Plecostomus (Rineloricaria fallax)
Ya sounds like either a pleco a catfish or some form of loach, maybe a hillstream.