Chinese Hillstream loaches are algae-feeding on base feeders who use their specialised, modified fins to “suction” on to the tank glass and crawl along, feeding as they go. They possess an interesting yellow and black coloration and fairly resemble plecos and various bottom feeders. These shy fish tend to hide https://pearlaquatics.my/what-should-you-do-daily-if-you-have-an-aquarium/