Cycling an Aquarium
Mark G N Ferguson breaks down the process every new aquarium depends on — where the ammonia comes from, where the bacteria come from, and how to get them established.
Results for “process”
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A Passion for Cichlids
The first of an interview series. Ichthyologist and aquarist Michael K. Oliver on the systematics of Malawi's cichlids, and on diving the lake to collect them.
Stunted growth means stunted lives
The first of a series supporting BIAZA's Big Fish Campaign, on why aquarium fishes are treated as disposable and why, in some cases, size really does matter.
FFSG has global mission
Freshwater habitats hold 0.3% of the world's water and almost half of its known fish species. The Freshwater Fish Specialist Group on what it intends to do about that.
For Peat’s Sake...
Matt Ford argues the hobby should stop using peat — a valuable, non-renewable resource whose extraction is visible from orbit.
Pupfish form evolutionary 'mountain ranges'
Barely kept and difficult to maintain, the pupfishes of the genus Cyprinodon are of outsized interest to evolutionary biologists. Their isolated desert waters are the reason.
South Asian barbs - a guide to nomenclature
An extensive review has broken up the genus Puntius and moved a great many aquarium favourites into new genera. A guide to which name is now which.