HLLE and the Activated Carbon Connection

Many different factors have been considered as possible causes of the disease known as Head and Lateral Line Erosion (HLLE)—a condition that typically causes disfiguring tissue erosion on the head and along the sensory lateral line of certain marine fishes. Poor water quality, nutritional deficiencies, protozoa of the genus Hexamita, stray voltage, and activated carbon … [Read More]

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 to it, though, Paracanthurus hepatus is one gorgeous blue fish! Morphologically speaking, P. hepatus is … [Read More]