Great post! I'm in love with these guys.
The two Horsefaces I have in my tank are only 2" now but seem to already have grown in the week I've had them . . . didn't do my homework beforehand, so I didn't know they could be up to 8". Glad I only got a pair! They are captivating to watch because they suck sand in their mouth and shoot it out their gills. Same with pellet food before it gets softened.
There's a video of one of them sifting through the sand in the Videos section:
These horsefaces blink their eyes . . is that common to all loaches?
45g planted - 6 Odessa Barbs, 6 Silvertip Tetras, 6 Black Lyretail Mollies (+ 1 fry), 2 Red Crystal Shrimp and 1 Vampire Shrimp
5g - 2 Horseface Loaches