Jay Hemdal, of Toledo Zoo Aquarium, USA, explains a new method of determining the swimming space needed by aquarium fish. All aquarists have to consider the size of tank they should have for the type ...

Here's the second of a five-part series of lessons to guide new aquarists through the basics of fishkeeping. Infectious diseases are those caused by pathogens and parasites, and those are what we ...

Central American cichlid expert Juan Miguel Artigas Azas explains how to keep the undescribed Honduran red point, a close relative of the Convict cichlid, Amatitlania nigrofasciata. Ever since this ...

Neale Monks offers some advice to a reader whose Kribensis keeps attacking her mate. Q. Four months ago I bought a pair of Kribensis, hoping to breed them. The fish in the shop tank were in pairs, but ...

It has emerged that the Secretary General of Ornamental Fish International (OFI), Dr. Alex Ploeg, was among those killed in the Malaysia Airlines plane crash above Ukraine last week. In a press ...

Do you know your Bach from your Stravinsky? It would appear that goldfish do… A new study reveals that goldfish can tell the difference between music composed by Johann Sebastian Bach and Igor ...

Ever wondered how you can tell the difference between a Chinese Lionhead and a Japanese Ranchu? Goldfish boffin Paul Green of the Goldfish Society of Great Britain and the Ranchu Brotherhood explains ...

Origin: This is a North American species and has been recorded from several states in the south east of the USA, including Alabama, Georgia and Tennessee. The species was originally endemic to the ...

The Clown loach is one of the most popular and endearing tropical aquarium fish, but unfortunately its requirements are seldom met. Nathan Hill offers some advice on keeping these surprisingly ...

New tanks ruin many a hobbyist’s first excursion into fishkeeping. All aquaria require a period of running in, or establishing before holding their first full compliment of fish. New tank syndrome ...

Is it time we took a closer look at hybrid fish? Nathan Hill thinks so, and the results aren't pretty. Have a long, hard stare at the above. To me, that doesn’t look like a great specimen of a skull.