Loaches make an interesting alternative to catfishes for the bottom of your aquarium. Dr Heok Hee Ng offers some advice on keeping loaches in your aquarium. Bottom-dwelling fish can add interest and ...

Bob Mehen advises a PFK reader who recently had a bad experience with some Zebra loaches... Q. I have a 60 l/13 gal, aquarium, densely planted with Cabomba and Vallis, decorated with bogwood and a ...