The Banggai Cardinal, proper name Pterapogon kauderni, is a relatively new fish for the salt water aquarium. The fish in the aquarium is fairly sedentary, but has lovely colouring with black vertical striping on a silver body. The tail is long and forked, again being silver/black. It has become popular
Read more →In a saltwater aquarium there are various devices that are designed to assist in the maintenance of high quality seawater. Perhaps the most useful of these is the protein skimmer (ignoring bio-filtration). As with all devices for it to be at its most effective it must be adjusted correctly. First
Read more →Some conservationists have expressed their concern over the use of live rock in the aquarium hobby. They see this as denuding the reefs, and, if that were shown to be correct, I for one would have sympathy. As I understand it, much of the live rock is taken as rubble,
Read more →When this topic arose I wondered what to do with it. The reason I wondered is that this website is designed for beginners and ‘earlier-on’ aquarists (though I notice that experienced aquarists are now visiting, and they’re more than welcome). Lighting is a scientific and technical subject. Most things can
Read more →Every week I like to pop into my local fish shop, even if it is not to purchase something just to have a look about and have a chat with the owner. Over the years we have built up a bit of a friendship and over a cup of coffee
Read more →It can be a reef aquarium or fish only aquarium, large or small, but whatever it is there is a need for high water quality. When an aquarium system has been running for a time, the water quality can start to fall. Good husbandry practices can slow down the drop
Read more →The term ‘clownfish anemone’ is an incorrect description, but it describes them well enough. These are the anemones that clownfish use as a home. Probably nearly everyone, aquarist or not, has seen the amazing sight of an unharmed clownfish within the stinging tentacles. Some of these anemones are in fact
Read more →Marine Depot is currently a sponsor of Aquarists Online and both John and I thank them for doing so. We can both highly recommend that you check out their websites. They have a huge amount of equipment, accessories etc available and they also have some unbelievable offers. http://www.marinedepot.com http://www.marinedepotlive.com You
Read more →Fish only aquariums and reef aquariums are able to maintain high quality seawater nowadays, and this is made easier with the range of efficient equipment available. All things being equal the livestock thrive because of it, and, in a reef, also because of the high quality lighting. Marine aquariums can
Read more →When an aquarium is ready for coral stocking, or is up and running and additional coral stocking is being contemplated, a trip is usually taken to the local retailer to decide on what to purchase. On arrival, more often than not there is a large range of corals on display
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