Ruth McDonald

Tropical Fish Keeping UK

Kids EN ↓ 78 episodes

Join me for chats about fish, stuff about fish, and some stuff that might just interest fish keepers.

Author

Ruth McDonald

Category

Kids

Latest episode

Jul 10, 2026

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Episodes

Changes are on the horizon 10.07.2026

After the recent meeting in London it'sclear there are some changeson the horizon..

Fish in the lab 08.07.2026

Have you ever wondered about fish that are used in labs. I chat with Hannah Poppy Davies about her work with Zebra Danios in the lab setting at City St George's University of London, and the rehoming project that means if you have space in your tank you can apply to rehome some of their fish once their working days are over.  https://www.citystgeorges.ac.uk/about/facilities/biological-research-fac...

Let's not hide the problems 03.07.2026

Anti pet keeping groups are quck to point out the issues with pet keeping, I think we as fish keepers need to look at our own issues, and see what we can do as the ones who love our animals.    www.tropicalfishkeeping.co.uk  

A Cichlid That Refuses to Become Extinct. 01.07.2026

Ptychochromis insolitus , also known as the Mangarahara cichlid or joba mena was thought to be extinct after the last female known female in captivity died, to make matters worse the only river they're known from had dried up.   But one zoo keeper Brian Zimmerman refused to accept they were gone, and launched a campaign to find more females. hoping that private keepers had some hidden in tanks, or...

Its easy to suffocate your fish. 25.02.2026

Dissolved oxygen doesn't sound important but it really is. 

World Aquarium Day 20.02.2026

It's world aqurium day, so let's take a little time to celebrate our hobby and all that makes it great. 

Water Chemistry part 2, GH and does pH matter? 18.02.2026

Carrying on looking at how the chemistry of the water in our fish tanks impacts our fish. 

Dyed and Dying 13.02.2026

For some reason we like to dye our fish weird colours. but is this a bit of harmless improvement. Of course not.     

Water Chemistry Part 1, pH and KH 11.02.2026

Let's start learning some water chemistry. I've tried not to make it too complex, but as ever I'd love to hear your feedback. 

Where are all the fish shops going 06.02.2026

With fish shops shutting right and left, the obvious question is why. 

Molly; trying to work out what they need 04.02.2026

Mollys are wonderfull little fish, but how do we know what they need. the answer is, it's really difficult. 

The mystery of the Paradise Fish 30.01.2026

The first paradise fish landed in European aquaria over 150 years ago. But there was something a bit differenent about these according to the people writing about them. Marketing gimmick, or something more mysterious? 

January Q and A 28.01.2026

A few questions from the inbox and facebook group for this month.    https://www.patreon.com/c/tropicalfishkeepinguk   tropicalfishkeeping.co.uk

Shoaling, schooling, or co-existing 23.01.2026

Many species of fish live in groups, but are they shoaling, schooling, or just living together, and in our tanks do they need to be in groups?    Head over to tropicalfishkeeping.co.uk to see what is going on now. 

Algae- a tentative intro 21.01.2026

Algae is one of the topics we see the most questions about, but there is far more than just being a nusiance, so here is a tiny toe dip into the topic. 

Seemly I'm wrong, again. 16.01.2026

There is a lot of push back from people on social media about everything that I write. Which is normal, but it's getting worse, is it to the point that it's causing issues for people trying to learn what to do? 

How smart are fish? 14.01.2026

The 8 second memory has long since been debunked, but are our fish actually smart? Or are we just giving them credit for knowing which container has the food? 

Diet, the ultimate... nah, just some ideas. 09.01.2026

Diet is complex, important, easy to get right, impossible to get perfect. Come and listen to me try and summarise a huge topic in a few ideas and tips. 

A Natural Ecosystem Tank 07.01.2026

Nature is important, but so is realism, it's impossible to have a true ecosystem in your tank without major inputs and outputs. Let's discuss how to make things more natural. 

Water Changes- a bit of the science 02.01.2026

Water changes, crucial and debated, but not in my opinion debatable.    If you like what we do, please consider supporting us on Patreon  https://www.patreon.com/c/tropicalfishkeepinguk Or head over to the website  www.tropicalfishkeeping.co.uk  

Should we be importing all these fish? 31.12.2025

We import most of the fish that are sold in shops, and there are issues with that. Join me as we dive into the reasons, and possible solutions.    www.tropicalfishkeeping.co.uk   Please consider supporting us and all we are doing https://www.patreon.com/c/tropicalfishkeepinguk  

Welcome to any new fish keepers. 26.12.2025

Have you just got a new tank and you've not got a clue what to do with it? Here's a little intro to start,    Check out our website tropicalfishkeeping.co.uk for more articles to help, and there is a video series on what to do starting on our YouTube channel Tropical Fish Keeping UK

December Q & A 24.12.2025

Some questions that have been asked. IF you like this let me know and I'll make it a regular thing.   We have questions on plants not growing, fish not breeding and more. Got a question yourself. Head over to any of the social medias and ask.  For some of the plants I mentioned.  https://tropicalfishkeeping.co.uk/the-easy-planted-aquarium/     Sorry if i sound a bit breathless, allergies decided t...

To be human is to keep fish? 19.12.2025

Join me as I ramble on about the link between humans and the pets we love.   

Andinoacara, Blue Acara, Green Terrors, and Saums. 17.12.2025

Let's carry on look at cichlids, this time moving to the Andes to look at Andinoacara. From Blue Acara to Green Terrors, these can be amazing species as pet fish, or a great breeding project. 

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