As schooling fish, they must be kept with at least six of their kind in a single tank ... Unfortunately, these fish aren’t good for aquariums as they can’t be ethically obtained.

The world’s your oyster, so they say... Let’s take a look at a range of types of saltwater aquarium fish, both common and rare, affordable and budget-busting. This classic saltwater aquarium ...

It is my privilege to announce the discovery of a Crossopterygian ifish of a type believed to have become extinct by the close of the Mesozoic period. This fish was taken by trawl-net at a depth ...

Plunging into the murky waters off the western coast of Mexico, scuba divers watched the marine life around them. One particular fish with “long” fins and a “stretched”-out look caught their attention ...