Tuna use sharks as scratching posts

If you’re a pelagic fish swimming the open oceans your options are limited when it comes to something to rub up against. Offshore fish suffer parasite infestations just like any other fish, only for reef-associated fish, they have various surfaces…

The Powder Blue Tang: An Iconic Beauty Demanding Exceptional Care

The powder blue tang (Acanthurus leucosternon) is a breathtakingly beautiful, widely recognized (even among non-hobbyists) marine fish that can be a real pain to maintain in aquaria. While it is possible to keep one successfully under ideal conditions, most specimens…

How to Beat Those Pacific Blue Tang Blues

Its common names include the Pacific blue tang, regal tang, hippo tang, palette surgeonfish, yellow-tail blue tang, and probably several others that presently elude me. Kids know it as the addle-brained Dory from Finding Nemo. Whatever common name you apply…