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 since they go. They have an interesting yellow and black coloration and fairly resemble plecos and also other bottom feeders. These shy fish are likely https://pearlaquatics.my/3-things-to-remember-when-searching-for-a-fish-pond-cleaning-professional/