It seems that most aquarists either love them or hate them; few aquarists are indifferent to them. I wonder why that might be?

The Colombian Shark Catfish Sciades seemanni is the most widely traded brackish/marine catfish in the hobby.

Activated carbon -- when used properly -- is one the most efficient filters available to the home and commercial aquarist.

A deep sand bed is a sand substrate coupled with bacteria and multicellular organisms working together as a powerful biological filter.

Mudskippers are members of the subfamily Oxudercinae, a group within the family Gobiidae.

The cichlid family is much loved by hobbyists. Their diversity of shapes, sizes, colours along with their diverse habits..