Monthly Archives: August 2014

By Than Thein Calcium and alkalinity are vitally important chemical parameters in reef aquariums. They are used by stony corals to build their calcium carbonate skeletons. A lack of calcium and alkalinity in the water will inhibit the growth of reef-building corals and invertebrates, which Read more here…

By Leonard Ho Click through to see the images. Macropharyngodon pakoko (what a cool name to say!) is most closely related to M.meleagris (the classic leopard wrasse) and M.geoffroy (the Hawaiian potter’s wrasse). Like the other eleven Macropharyngdon spp, M.pakoko is sexually dimorphic similar to Read more here…

By Albert B Ulrich III Controlling High Temperature in Reef Aquariums Reef aquarists are focused on providing their fish and invertebrates with the best of care. Much effort is spent maintaining water quality, lighting and water movement. Ideal water temperature is an area of debate, Read more here…

By Leonard Ho Click through to see the images. When we imagine evolution, most of us picture a fish taking its first steps out of water to become a land-dwelling tetropod. Of course, this major evolutionary step didn’t happen so quickly, but researchers at the Read more here…

By Jeff Kurtz If you’re in the process of planning and setting up a new saltwater aquarium, you’ll need to give some thought to the type of substrate you’d like to use. It may seem counterintuitive, but one of your options in this area is Read more here…

By Shane Graber Click through to see the images. The Washington DC Area Marine Aquarist Society (WAMAS) is excited to announce that MACNA

By Ross DeAngelis Click through to see the images. In a Nature paper, published in 2007, the lab of Dr. Russell Fernald at Stanford University showed that fish are capable of inferring which fish to fight for territories based on observations of previous interactions with Read more here…

By Leonard Ho Click through to see the images. You are only as strong as your weakest link. Pacific Sun is breaking the design barriers which have historically limited the precision of aquarium dosing pumps. By using a variable speed motor, they were able to Read more here…

By Jeff Kurtz Orchid Dottyback (Pseudochromis fridmani) Captive breeding of marine fishes has been a boon to our hobby in any number of ways, one of which is democratizing access to formerly really pricy species such as the orchid dottyback (Pseudochromis fridmani). While I wouldn’t Read more here…

By Leonard Ho Click through to see the images. Goliath groupers have been fished to critically endangered status, but since becoming a protected no-take species, their population are slowly but steadily rebounding. While goliath groupers look like sea monsters, they are known to be gentle Read more here…