Why Guppies Are So Fun to Keep - Colour, Personality, Easy Care & Fry Surprises

[00:00:01] Welcome to this episode of the The Aquarist's Edge, a podcast for home aquarists just like you. Learn more about how to keep a thriving aquarium and discover ideas and tips to give your aquarium the edge. And now over to our host Arthur Preston. Hi everybody, welcome to the Aquarists Edge. This is the podcast where we keep fish keeping grounded,

[00:00:24] practical and just nerdy enough to be useful. Today I'm going to speak about a fish that is so common it sometimes gets dismissed. And that's really a shame because it might be one of the most entertaining, rewarding little animals that you can keep in a home aquarium. And yes, we're talking about guppies. Now in this episode we're going to look at why guppies feel so interactive, how their colours work, how to set up a guppy tank for maximum fun and hopefully minimal drama. We're going to look at

[00:00:52] the reality of breeding and fry, we're going to look at some common guppy problems, and we're going to look at how to keep guppies long term without them turning into a cycle of heartbreak. And if you're not sure what I mean by that, stick around. And while you're listening, I'd love to hear from you. Are you into guppies? What got you into guppies? Was the particular colour strain a random purchase? Or did you simply inherit a tank full of them? Leave your comment in the YouTube video comment

[00:01:17] section or if you're listening on a podcast app, then go ahead and leave a note as well as comments in the podcast app as well. So let's get right into it and let's talk about guppies. So why are guppies so much fun? Well, you know, really guppies have personality that you can actually note as. A lot of fish are beautiful, but they're distant and you can enjoy them for sure, but they don't always seem to connect with the room. Guppies are different. You walk in, there's

[00:01:43] movement. You sit down, they start cruising the glass, hovering near the front, checking you out. Now, let's be real here, it doesn't mean they're bonded like a dog, but they are curious. They are quick to learn patterns and they're highly responsive to food cues. And over time, many guppies absolutely learn that you are the food bringer and they'll line up like a tiny fan club. And they don't just react with you, they react with each other constantly. And that social

[00:02:11] activity is a big reason that they're fun to watch. Guppies don't school like Tetras, it's more like a little neighbourhood. Males are displaying and posturing, females are cruising around like they own the place, and the babies are darting in and out of plants like they're practicing for something. And because guppies spend time in the middle and upper levels of the tank, they're usually visible. You don't buy them and then wonder where they disappeared to for four weeks. But here's an important skill that guppies teach, and that is the difference between healthy activity

[00:02:39] and stressed activity. Healthy guppies will swim smoothly, they'll brass plants, they'll interact, and they will come forward confidently. Whereas stressed guppies will often have their fins clamped tight, they will hover at the surface or hide, they will breathe faster, or they'll dart in sudden bursts like they're being frightened by something. Now let's consider the obvious reasons guppies are fun.

[00:03:02] And that is, they look ridiculous. In the best way possible, of course. You know, guppies tail can look like stained glass, metallic foil, neon paint, or a little flag flashing behind them. And the greatest part of this is that guppy colour isn't just pigment, it's actually layers of biology. You know, fish colour comes from specialised pigment cells called crevasophores. Guppies have several types working together, and the combo of these gives you those intense patterns. So in plain terms, some cells will provide

[00:03:32] reds and oranges, others yellows, dark cells will give contrast, and reflective cells create that metallic shimmer. And that shimmer isn't just colour, it's really light, bouncing off microscopic structures, which is why guppies can look different depending on the angle from which you view them. Now, why do your guppies look different at home than in the shop? And this is where the hobby gets fun because you can actually tune your guppy display. Guppy colour is affected by background,

[00:03:59] the truth is that dark backgrounds will make the colours pop, it can be affected by substrate, you know, dark sand often makes fish look richer, it can be affected by planting, the green plants behind them will increase the contrast of the colour, it can be the lighting spectrum, you know, some LEDs make reds and blues stand out more. And even the fish's mood and confidence can affect its colour. A confident guppy in a stable tank often shows better colour than a stressed one in bright, bare conditions.

[00:04:27] Now, what about breeding projects? This is where guppies go from, ooh I've got a nice fish, to something that becomes quite addictive and some might say dangerously entertaining. Guppies are life bearers, meaning the females give birth to fully-formed fry. And because guppies mature quickly, you can see multi-generational changes in a relatively short time compared to many other fish. Even if you don't plan to become a selective breeder, guppies naturally spark curiosity.

[00:04:54] Why do some fry have their tail shape? Why are some males colouring up earlier? Why do those ones have more black patterning? Like you don't need a genetics textbook to notice the trays repeat, their tail shape, blocks of colour, dorsal fin size, body sheen. And selective breeding is basically paying attention and choosing who breeds. And guppies make that accessible to normal hobbyists with normal space. In the guppy world, people who specialise in line breeding emphasise a few

[00:05:21] consistent principles. Keep stable conditions, select for the trays you want, avoid random mixing if your goal is consistency and track your lines. One reason dedicated guppy breeders become well known in the hobby is because they demonstrate what careful selection can do over time. Improved finish, stable patterns and strong body form. Not just a colour. Now you don't need to show guppies competitively for this to be fun. You can run your own small projects at home. Pick one male that you

[00:05:50] really love. Pair again with females from a similar line and see how the fry develop. It's a bit like gardening. But these are little fish that dart backwards and forwards in your tank. At this point, I want to protect you from that classic mistake which says, guppies are small, therefore they're fine in any small tank. Now let's get real here. Small fish still produce waste. They still need stable water. And guppies are active. They want swimming space and social structure. And if you want guppies to

[00:06:18] be genuinely fun long term, not just alive in your tank, aim for around 60 litres as a really solid starting point. Could they live in less? Sometimes. But stability becomes much harder. Temperature swings faster. Overstocking happens faster. Disease spreads faster. 60 litres gives you room for a small group of guppies. Some plants, stable filtration and a buffer against mistakes. Now let's also have some

[00:06:44] real talk about stocking. You know, male guppies are gorgeous. And they're also persistent. Now it's lovely to have a tank full of male guppies only. It's often very attractive. It certainly catches the eye. But if you're going to put females into that mix, you need to remember that males can chase females constantly. And so a good general ratio is one male to two to three females. And even then, what's the

[00:07:09] behaviour? If a female is being harassed, she can become stressed and more vulnerable to illness. And so there are alternative setups that are often. As I said, a male-only tank is an option. Just watch for occasional fin nipping and that can be solved with using your space properly and adding in plants. A female-only tank is much calmer than you'd expect. Females can be beautiful too, especially in good conditions. But you need to remember something very interesting about guppies. Females can store sperm and

[00:07:37] still produce fry for a while after purchase. So watch that female-only tank. Now guppies have long fins in many strains and that can trigger nippy behaviour in some fish. A peaceful fish can still be a fin nipper if it sees flowing tails as something to pick at. If you want maximum fun and minimum stress, a guppy-focused tank with plants is really hard to beat. Now let's talk about the thing that turns

[00:08:02] casual guppy keeping into what some might call a bit of organised chaos and that is baby guppies. Females can drop batches of fry regularly under good conditions and that's fun because you get to watch baby fish appear, you look at their growth milestones, you watch their colour live in it and you watch their personality emerge. But if you don't have a plan, it becomes overcrowding and overcrowding leads to poor water quality, stress, stunted growth and disease. If you want your fry to survive,

[00:08:30] you're going to need cover. Fry will survive when they can vanish into plants and that'll be fine leaf stem plants, flurging plants, moss-like growth that's quite dense in the tank and thick plant tangles in the different corners. Filtration will also matter. Fry can be pulled into strong intakes and a sponge filter here is a classic solution because it's gentle and also obviously provides the biofiltration that's needed. In terms of feeding fry, you can crush flake food very fine,

[00:08:56] you can use micro pellets, but if you really want to turbocharge their growth, you can feed them small, live or frozen foods. Now, if you don't want lots of fry, the obvious answer here is only have a male only tank. If you keep mixed sexes, you're going to get fry, that's a guarantee. Some are going to be eaten in a community tank, that's true, but don't rely on that to control numbers in a small aquarium. You can still end up with a lot of juvenile guppies very quickly. Now, let's talk here about ethics and

[00:09:23] this is important and I'm going to say it very clearly and plainly. If you're producing fish, even accidentally, you must have a plan for those fish. Your options are to re-home them to other hobbyists, you could trade them or sell them, you could keep a second tank if you're intentionally line breeding. We can't just say, well, I've got too many guppies and so I'm just going to get rid of them, if you know what I mean. Now, let's talk about feeding guppies because this does get

[00:09:52] entertaining. Guppies will eat like they're afraid the food is going to escape and watching them feed is fun because they rush in, they compete, they do little darting maneuvers and they look like they're thinking about it at times. But guppies will also overeat and overfeeding is one of the top causes of poor water quality in guppy tanks. Feed once or twice a day, give them tiny portions that will go within 30 to 60 seconds, add variety, you know, give them occasional frozen foods like daphnia

[00:10:19] and sometimes give them spirulina or veggie based food for balance. A varied diet will support stronger immune function, better growth for the fry and often better colour and finish condition. Guppies can suffer from digestive issues if they're fed rich food constantly without balance and so variety helps and not overfeeding helps even more. Now, it might sound strange but part of what makes guppies enjoyable is they are a fish that will give you feedback. When something changes in your tank,

[00:10:46] they often show it quickly and that makes them great teachers. So let's go through a couple of common issues and what to do when we come across them. Now the first one is having new tank issues. If a tank is not cycled properly, ammonia and nitrite can arise and your guppies are going to hang up the surface, they're going to breathe quickly, show crab fins or they could very well become lethargic. So test your water, ensure your tank is properly cycled and avoid adding too many fish too quickly.

[00:11:12] And if the fins of your guppies look ragged, check for fin nipping, look at the density of your stocking and add plants and side breaks and also check the flow strength of your filter. And sometimes what looks like fin rot starts with physical damage then becomes infected. Improving conditions early often prevents that spiral. The other thing is sometimes guppies look skinny but you know they're eating and that can indicate internal parasites, poor nutrition or chronic stress. And so the calm

[00:11:41] approach here is to improve the diet variety, reduce the stresses and ensure water quality is stable. You could also add parasite medicine into your tank to make sure that you're covering that aspect of this problem as well. There's also a tough truth here. Guppies can be fragile if they come from stressed stock. So transport, poor conditions and genetic weakness all play a role. And so your best protection against this is to have a stable tank, actually make them carefully and when you're

[00:12:08] buying fish, if at all possible, look at them carefully. If you can check your fish before you buy it, go ahead and do so because you don't want to buy a fish that already looks unwell. So let's have a look then at a blueprint for the kind of guppy tank that makes you stop and stare every time you walk past it. You want a tank that's about 60 litres or more, gentle stable filtration, possibly a sponge or low flow internal filter. You want a mix of plants to show dense areas and open swimming space,

[00:12:36] a nice dark background to let the colours pop. You want to have consistent lighting that's not overly harsh and you want to be doing steady weekly water changes about 20 to 30 percent as a baseline. And in terms of stocking, either a balanced mixed group with a sensible ratio or a male only display tank. Now planted tanks don't just look nicer, they actually change the fish's behaviour. The fish will feel safer, the colours often show better, the fryer will have a chance to survive and the tank becomes a

[00:13:04] little ecosystem rather than a glass box of water. A male only planted tank with a dark background and a handful of high quality males is honestly one of the most bank fuel buck setups in freshwater fish keeping. So let's bring us home. Guppies are fun because they're not passive. They're interactive, social, colourful and constantly doing something. They're also a doorway into deeper parts of the hobby. Learning more about plants and water stability, breeding projects and even casual genetics,

[00:13:34] without requiring a massive budget or a fish room the size of a garage. If you keep them well, Guppies reward you quickly. You'll see improvements in colour, behaviour and health within weeks of good consistent care. And that is one of the most satisfying feelings in this hobby. Folks, if you enjoyed this episode, subscribe on the YouTube channel, subscribe on the podcast app, leave us a review, leave a comment. It helps other aquarium hobbyists find the show and I look forward to seeing you next week. And we're going to, before I go,

[00:14:03] leave you with a question. What makes Guppies fun for you? Is it the colours, the personalities, the breeding surprises or the planted tank vibe? Let me know in the comments. I love hearing what you're about. We all love learning from each other. And next time we're going to talk about building a stress-free planted community aquarium that will stay stable without turning your life into a chemistry lab. And so until then, keep learning, keep discovering and keep enjoying this amazing hobby. Bye for now.

[00:14:32] That's it for this episode of the The Aquarist's Edge. Please consider subscribing to this podcast so that you don't miss further episodes. We would love it if you would also rate and review the podcast, as this helps make it visible to others. Until next time, keep learning and discovering, and keep finding your The Aquarist's Edge in this captivating and fascinating hobby.