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. 

Can I Rescue this Tank from Algae?

One of our readers asks George Farmer for advice on how best to tackle the algae outbreak in her planted tank.

How do I cycle my new nano reef tank?

Jeremy is on hand to help one of our readers with cycling a new marine aquarium.

How do I filter a 'Big Fish' marine tank?

Jeremy helps one of our readers with setting up the filtration for their fish-only saltwater aquarium

Will These Colourful Livebearers Hybridise?

Neale Monks helps one of our readers with a question about mixing different species of livebearers together in a…

Should I fatten these Otocinclus catfish up?

Bob Mehen helps one of our readers to successfully introduce dwarf suckermouth catfish into their aquarium.

How to set up a molly biotope

Tai provides advice on how best to build a natural aquarium for the wonderful mollies (Poecilia sphenops).

Evaporation from open-topped aquariums

George Farmer helps one of our readers who's getting into aquascaping but is concerned about potential issues of…

How many sumo loaches can I keep in this tank?

Bob is on hand to advise one of our readers on the aquarium care requirements for sumo loaches.

How do I set up a cherry barb biotope?

Tai helps one of our readers to design a biotope aquarium based on a Sri Lankan stream for the wonderful cherry barb.