Fishkeeping Advice

Fishkeeping advice answering all of your questions on keeping cold water, tropical, marine, freshwater and salt water fish.

We have a team of top aquatic experts on hand to answer your questions, email us at [email protected] and we'll pass your question on to the most relevant expert. 

Should I switch my sump to live rock?

One PFK reader would like some advice on whether she can switch her sump to live rock. David Wolfenden offers his…

Are Boxing shrimp predatory?

Jeremy Gay offers his advice to a PFK reader who found his Boxing shrimp eating one of his blennies, and is worried his…

Where did these fish disappear to?

Bob Mehen gives his advice to a reader who is concerned about why his Cherry barbs are disappearing.

How do I safely cycle this larger set-up? 

One PFK reader would like to know the quickest way to get his new tank safely cycled and the fish moved. Bob Mehen gives…

Which fish are best for a beginner to marines?

Jeremy Gay gives his advice to a reader who after over 30 years of experience with tropical freshwater fish, is thinking…

How do I hatch and rear Angels?

Neale Monks gives his advice to a reader who suspects his Angels are eating their eggs, and would like to know whether…

What should I do with all these fry?

One reader is looking for advice on how to best re-home his Guianacara jatapu fry. Jeremy Gay advises...

Should we go back to an undergravel filter?

Neale Monks gives his advice to a reader who is concerned about his elderly mother struggling with her community tank,…

What’s got under the skin of my Rams?

One PFK reader has a problem with his blue Rams developing a fungal infection. Dave Hulse shares his opinion...