Short answer: Catfish farming in Ghana suits a beginner who can watch the water every morning, because the fish tolerate low oxygen but grow poorly in bad water. Choose a tank or pond you can drain and grade, feed small amounts of the right pellet, and grade the stock early to stop cannibalism. We supply poultry chicks rather than fish, so this guide reads catfish as one side enterprise beside the poultry house.
Key takeaways
- Watch the water at dawn: fish gathering at the surface is the first warning.
- Feed small amounts, and remove uneaten feed before it rots.
- Grade the stock early, because size spread turns into cannibalism.
- Count at harvest against your stocking figure to see what disappeared.
- Add poultry manure slowly, and keep the chicken side clean and separate.
- Ask your district fisheries officer about registration before you stock.
Clarias, the fish that breathes air and forgives some mistakes
Walk up to a catfish pond at first light and look at the water before you look at the fish. Are the fish at the surface, gulping? Is there a film on the edge, or a smell that is not right? In catfish farming the first hour of the day tells you more than any feed sheet.
The African catfish, Clarias gariepinus, is the species most Ghanaian farmers keep. It has an extra breathing organ that lets it take air at the surface, so it copes with lower oxygen than many fish can. That tolerance is real, but it is not permission to ignore the water. A catfish that survives bad water grows slowly, eats badly and is open to disease, and you will not see the damage until harvest.
Catfish are also omnivores that will eat almost anything, and they will eat each other. A large fish next to a small one treats the small one as food. We come back to this under cannibalism, because it is the loss most beginners do not see until the harvest count comes up short.
Choosing a site: water, drainage and a road to market
Start with water. Find out where it comes from, how much you can draw in the dry season, and whether the source stays clear after rain. A borehole, a reliable stream or a harvested rainwater store can all work, but each one brings its own risks. A stream carries silt and runoff from the fields above. A borehole is steady but needs checking for iron and hardness. Ask the people who have farmed the land before you.
Look for a site that is flat or gently sloping, and well away from the low ground that floods. A pond at the bottom of a slope collects everything the rains wash down, including the fertiliser and the chemicals from the farm above it. Keep the site partly shaded, but not under trees that drop leaves and branches into the water every season.
Think about the road. Feed has to arrive, fingerlings have to arrive in good condition, and the harvest has to leave by truck or motorbike before the fish go soft in the heat. A site that is an hour from a usable road can cost you more in fish losses than the land saved you in rent.
Tanks, earth ponds or lined pits: what each one asks of you
The three common systems each ask something different of the keeper. Concrete or plastic tanks are easy to drain, grade and harvest, and you can see the water and the fish every day. They need a steady water supply and more daily attention, and the construction cost is the main decision. Earth ponds are cheaper per area and can hold water through a long season, but the banks need upkeep and the water is harder to watch. Lined pits, with a tarpaulin or plastic liner, sit between the two and can be dug on a small plot.
| System | What it does well | What it asks of you |
|---|---|---|
| Concrete or plastic tank | Easy to drain, grade and harvest. You can see every fish each day. | A steady water supply, closer daily watch, and the construction cost up front |
| Earth pond | Lower cost per area and holds water well through a long season | Careful siting, bank repair, and a plan for predators and flooding |
| Lined pit | A practical middle ground on a small plot | Liners tear, edges need protecting, and drainage must be planned |
Whichever system you choose, build an outlet you can open and close, and a screen on it so fish cannot escape during a heavy rain. Catfish will wriggle over wet ground when they are crowded or hungry. Cover the tank or pond with mesh at the edges, and check the mesh after every storm.
Stocking fingerlings and grading them early
Buy fingerlings of similar size from a known source. Ask the supplier how old the batch is, where it was spawned, and whether it was sorted before it left. A batch of mixed sizes is a batch that will eat itself. Check the fish at the bag. Active fish that swim against the current are healthy. Fish that sit on the bottom, gasp at the surface or have reddened fins are not.
Acclimatise the fish before they go in. Float the bag in the pond for twenty to thirty minutes so the water temperatures match, then let the fish out gently. Do not tip the bag water into the pond. It carries whatever the fish were carrying, and it may have a different temperature and oxygen level.
Stocking density is a number to agree with your supplier and your fisheries officer, not a figure to copy from a forum. The right density depends on your water, your aeration and your feed. Start with a density you can manage, and grade the stock every few weeks in the early stage, so that the largest fish cannot take the smallest. If you are weighing catfish against another fish, our tilapia guide covers a species with very different breeding habits.
Feeding for growth without fouling the water
Use a floating or sinking pellet made for fish, with a protein level that suits the size of the fish. Starter feeds carry more protein than grower or finisher feeds, and the switch should be gradual. The common rule is to feed small amounts two or three times a day, and watch how quickly the fish clear each feed. Whatever they do not eat in a few minutes is waste, and waste is what turns the water bad.
Feed in the morning when the oxygen is up, and do not feed at all when the water looks bad or the fish are gathering at the surface before dawn. A fish that is struggling for oxygen will not digest a meal properly, and the uneaten feed sinks and rots.
Poultry feed is not a fish feed. Keep the fish pellets in their own store, away from the chicken feed, and use the fishmeal guide to understand why fishmeal in a poultry ration is a different calculation from a fish diet. If you mix your own feed, the feed formulation basics cover the logic, though a fish ration needs its own formula and our guide will not replace one.
Water checks you can do with a bucket and a thermometer
You do not need a laboratory to keep catfish alive. A bucket, a thermometer, a pH strip and your eyes will tell you most of what you need in the first season. Check at the same time each morning, and write the results down. The pattern over a week matters more than any single reading.
| Check | How you do it | What to do if it is wrong |
|---|---|---|
| Fish behaviour | Watch from the edge at dawn for gulping or crowding at the surface | Aerate now, stop feeding, and check the stock for dead fish |
| Colour and smell | Look at the water in a clear glass and smell it | A sour or rotten smell means uneaten feed or decay, so remove it and cut the feed |
| Temperature | Put a thermometer in the water at the same time each day | Log sharp swings, which stress the fish and cut appetite |
| pH | Dip a strip, or use a meter if you can get one | A reading far from neutral needs a partial water change and a check of the source |
| Ammonia | Use a test kit if one is available | Rising ammonia means too much feed or too much fish, so cut both and change some water |
A partial water change is the simplest correction. Replace a part of the water with fresh water of a matching temperature, rather than draining the whole tank and starting again. The same habit of checking water every day runs through our water management guide for poultry drinkers. Draining everything removes the beneficial conditions you have built, and it shocks the fish.
Cannibalism and size spread, the loss nobody sees until harvest
In the first months a batch of catfish looks orderly. Then the sizes spread. The largest fish start to take feed the smaller ones cannot reach, and a few of them learn that a smaller fish is food. You rarely see it happen. What you see is the harvest count coming up short, and a pond full of fish that are all different sizes and none of them ready to sell.
Grade the stock as soon as you see a spread. Separate the big from the small into different tanks or sections, and feed each group to its own appetite. Give the small ones places to hide, such as pipes or a fixed shelter, so they are not always in the open. Keep the density within what you can feed and aerate, because crowding is the trigger that makes cannibalism worse.
Count the fish when you harvest, and compare that count against the number you stocked less your losses. The difference is the amount that disappeared, and it is the number that tells you whether your grading routine worked.
Diseases and the handling mistakes behind them
Most catfish disease in a small farm starts with the water rather than with a germ. Crowded fish in bad water develop skin and fin damage, and that opens the way for bacteria and fungus. Fungal growth on dead fish and on eggs is a common sign of poor hygiene. Parasites on the gills and skin show up in crowded stock, often as fish that flash or rub against the edge of the tank.
Handling causes more damage than people admit. A rough net, a dropped fish or a sudden temperature change can strip the slime layer that protects the skin. Handle fish as little as you can, use soft mesh, and avoid taking fish out of the water on a hot day when you can work at dawn or in the evening.
Quarantine new stock, and keep a record of every death with the date and the water reading that day. Report unusual or heavy losses to your district fisheries officer rather than trying to treat them alone. Follow their advice on any treatment, and check the withdrawal period before you sell fish that have been treated. Our FAQ may also help with general questions about how we work with farms. The table of checks above is your first defence, and your fisheries officer is the second.
Need chicks for your next batch?
Send breed, number and town. We reply with price, hatch date and delivery cost in writing.
Harvest, smoking and where catfish sells
Harvest when the fish reach the size your buyers want, and when your weekly weights show that feeding them longer is no longer paying. Some keepers take a partial harvest of the largest fish each time and leave the rest to grow. That keeps cash moving, but it also disturbs the pond and can stress the remaining stock, so plan the partial harvests carefully.
Fresh catfish sells to households, restaurants, chop bars and fish traders. Smoked catfish keeps longer and can reach buyers further away, and smoking is a common way to add value. It needs proper equipment, clean handling and a food-safety plan, so ask buyers which sizes and forms they want before you invest in a smoker. Keep the fish cool between the pond and the buyer.
Harvest prices are set by the buyer and by the week, so ask at the market on the day you plan to sell. Treat any figure you read in an article as out of date by the time you read it.
One tank of 300 fingerlings, from stocking to market
Here is how a single tank looks on paper. The loss percentages are examples. Replace them with your own figures after the first month, because they depend on your water, your feed and your handling.
| Stage | Fish | Example loss | Remaining |
|---|---|---|---|
| Stocked | 300 | Not applicable | 300 |
| End of the first month (example 10 percent loss) | 300 | 30 | 270 |
| First grading, cannibalism and handling (example 5 percent) | 270 | 14 | 256 |
| Partial harvest of the largest fish | 256 | Removed as sold | Remaining fish stay in the tank |
The lesson in the table is the feed bill. If you plan the feed for 300 fish, you will overfeed the 256 that are left, and the water pays for it. Plan the feed for the fish you actually have, and recount after every grading. The notebook is what turns a guess into a plan.
Linking catfish to the poultry side without overloading the water
Many farmers keep catfish next to a poultry house, because the chicken manure and the fish ponds can feed each other. Manure grows the plankton and the small animals that fish eat, and the pond water can go back onto the crops. It works, but only in controlled amounts. Too much manure in a closed pond uses up the oxygen overnight, and you wake to dead fish.
Our article on integrating poultry, crops and fish sets out the full loop in detail, so we will not repeat it here. The short version is that you should add manure slowly, check the water at dawn, and keep the poultry house's wet litter and runoff away from the pond. Keep the chicken side clean and separate in its operations, and you protect both enterprises.
The chicken side is where we can help directly. Our Day-old chicks from our hatchery reach the farm gate in boxes of 50, and we vaccinate them before they go, with a batch record that travels with them. The flock beside your ponds is something we can plan with you on WhatsApp at +233 24 915 1503. Our broiler chick page and layer chick page list what we ship, and the starting prices are confirmed at order. You can also use the order form on our homepage.
Checklist before the first fingerlings go in
- The water source is tested for quantity and quality, including the dry season.
- The tank or pond has an outlet, a screen and mesh around the edges.
- You have a thermometer, a pH strip and a notebook on the edge of the water.
- A fish-only feed store is in place, and feed is stored off the floor and dry.
- Your fingerling batch is similar in size, and you have the supplier's details in writing.
- The acclimatisation routine is planned, and the bag water will not go into the pond.
- Your fisheries officer knows you are starting, and you have asked about current registration.
Questions farmers ask
Do catfish need electricity?
Not to live, but oxygen matters. Aeration helps a great deal in tanks and in crowded ponds, so a backup plan for power cuts is worth having, such as a manual method or a lower stocking rate. If you plan to run blowers or pumps, choose a site with power in mind from the start.
How big should my fingerlings be when I buy them?
Buy a size that matches the batch you already have, and ask the supplier how the batch was sorted. Mixed sizes will cannibalise each other. Check the fish are active and not gasping at the bag, and get the source and any handling advice in writing so you can trace problems later.
How long until catfish reach market size?
It depends on feed, water temperature and stocking, but many farmers take fish to market over the course of a season, often around six to eight months from fingerling. Keep your own growth records, weigh a sample each month, and let the sample set the harvest date rather than a guess.
What is the most common reason catfish die in my tank?
Water quality. Low oxygen, rising ammonia from uneaten feed and sudden temperature swings do more damage than most diseases. Feed in measured amounts, remove dead fish quickly and check the water every morning. If the fish gather at the surface before sunrise, act that day.
Can catfish live with tilapia in one pond?
Sometimes, in a managed system, but it is not the easiest way to start. Each species has different feeding habits and space needs, and the larger catfish will eat smaller tilapia. Start with one species in one pond, learn it, and consider mixing only once your records show the pond can carry both.
Do I need a permit to farm catfish?
Ask your district fisheries officer and the Fisheries Commission about current registration, and about any permits for ponds, stocking and water use. Rules and fees change, so get the current position in writing. Ask separately whether your water source needs its own permission.
Can I sell catfish smoked?
Yes. Smoking is a common way to add value and keep fish longer. It needs proper smoking equipment, clean handling and a food-safety plan. Ask buyers which sizes and forms they want before you invest in a smoker, and keep records of each batch so a bad one can be traced.
