Author: Rob Toonen

This is second part of my article on fish nutrition and live foods for the reef aquarium, so if you missed the first installment, I suggest that you go back and... Read more.

I am often asked questions about fish nutrition and live foods for the reef aquarium, so I wanted to try to write a general overview article on the subject. Therefore,... Read more.

I was trying to decide what to cover for this article, and realized that there is not much information out there about sea pens. These beautiful animals are occasionally... Read more.

I have seen a number of posts recently asking for information about keeping an octopus, and thought that would make a good subject for an article this month. I certainly... Read more.

I have recently seen a number of shops offering blue- or green-lipped mussels ( P. viridis ) for sale, and thought I would take some time to discuss them this month.... Read more.

“Death in a Colorful Package” is a title that has been used several times (e.g., Friese 1973, Wilkens 1998) to describe a marine invertebrate with aposematic... Read more.

I decided to continue on with the subject of sea cucumbers for this article, because there are many subjects that I mentioned but never really discussed at any length... Read more.

I was recently asked to provide some more information about medusa worms in one of the forums, and while searching the web to provide some links, I realized that... Read more.

Recently I have seen a number of questions on the reef bulletin boards about Christmas Tree Worms, members of the genus Spirobranchus, and decided to write something... Read more.