Robert Toonen

Recent Content

An Experimental Comparison of Sandbed and Plenum-Based Systems: Part 2: Live Animal Experiments

An Experimental Comparison of Sandbed and Plenum-Based Systems: Part 2: Live Animal Experiments

Last month we presented the results from our experiments comparing deep sandbed and plenum-based aquaria under controlled conditions in the laboratory as Part 1 of this series. Although those results are very useful in understanding the real effects of the different aquarium designs, few people are really interested in keeping a tank without any live animals.…

Aquarium Invertebrates: Tube Anemones

Aquarium Invertebrates: Tube Anemones

I recently saw someone on one of the message boards ask if clownfish will accept a tube anemone as a host. The answer was correctly no, but the person went on to explain that “instead of providing shelter and protection for the clownfish, the tube anemones would immediately kill and eat them!”…

Aquarium Invertebrates: Sponges, Phylum Porifera

Aquarium Invertebrates: Sponges, Phylum Porifera

Over the past few years, I have had many questions dealing with keeping sponges in reef aquaria, and thus far, my general impression is that few aquarists have success with these odd animals. I have gotten a couple of questions about sponges recently, and decided it was time to write an updated article about them.…

Invertebrate Non-Column: Gorgonians

Invertebrate Non-Column: Gorgonians

Rob,

I just got an orange and a red branch warty gorgonian (I think that they are from the Caribbean) for my tank. I have them in areas that get[s] low light and medium-strong current. It took them a few days to acclimate, but now their polyps appear to be fully open.