Top 2 species definitely are, they basically require micro algae and bio-film as a main food source...Interesting little guys
Are they hillstream loaches or similar? There was a great article on a really good setup for loachesTop 2 species definitely are, they basically require micro algae and bio-film as a main food source...
Also the photos dont really do them justice as their colors are a lot more vibrant... really gotta pull out my DSLR and macro lens one day to try and get some clearer shots...