Start your journey into marine aquarium-keeping with some hardy and (for lack of a better term) hard-to-kill fish. 1. Longnose Hawkfish Are Hardy, But Aggressive ...

Mesmerizing, kaleidoscopic, and fabulously exotic, the huge variety of types of saltwater fish to pick for your aquarium will give you a visual taste of the underwater ocean world.

When it comes to selecting mates, hawkfish keep their options open. The flamboyantly coloured reef dwellers start life as females but can transform into males after maturing. Many marine animals ...

On the outdoor lot of his beachside facility, flecked with dozens of plastic bins and tanks, biologist Syd Kraul has raised several fish species from eggs to fingerlings, including tuna, snapper ...

In Trill’s shop, some cost more than $200 for a creature no bigger than one’s thumb. But the fervor for fish keeps people coming; like staring into a campfire, a tank is tantalizing.