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 “gill”
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'Phallusy' or foe? The myth of the candiru
The candiru has been credited with destroying manhood for over two hundred years. What the fish actually does, and how much of the legend survives the checking.
All the leaves are brown...
Colin Dunlop on dried leaf litter in the aquarium, a practice he took up after asking a dealer about a single brown leaf lying in one of their tanks.
Channa orientalis Bloch & Schneider 1801
Colin Dunlop on the dwarf among snakeheads. At around 10 cm, Channa orientalis asks far less of a tank than the metre-long relatives that give the genus its reputation.
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.