Linked from
The 22 pages that link to Aquarium fish, each with the reason it gives.
Brine shrimpRelated: Hobbyists commonly hatch Artemia cysts to feed aquarium fish, especially fry.
PipefishRelated: Pipefish husbandry depends on specialized diets and stable, suitable habitats.
ScorpaeniformesRelated: Lionfishes and other striking scorpaeniforms are kept in marine aquariums.
HalfbeakRelated: Several small freshwater halfbeaks are maintained by aquarium hobbyists.
BlennioideiRelated: Several blennioids are kept for their small size and distinctive behavior.