
Breath taking sightings in Gansbaai, Cape Town.
What species of sharks are in Gansbaai? If you’re planning a shark cage diving trip to Gansbaai, one of the first questions you’ll ask is simple:
What will I actually see?
It’s a fair question, and one that deserves an honest answer.
Gansbaai has long been known as one of the world’s great shark destinations. While the ecosystem has shifted in recent years, what hasn’t changed is the fact that this remains a truly wild, functioning marine environment. Nothing here is staged, and no two days are ever the same.
What has changed is which sharks you are most likely to encounter.
What species of sharks in Gansbaai: Bronze whaler sharks, the dominant species today
At present, the most commonly encountered sharks in Gansbaai are bronze whalers (Carcharhinus brachyurus).
We see them on almost every trip.
They typically range from around 1.5 to 3.5 metres in length, and what’s particularly interesting is that many of the individuals we encounter are large females. Quite often, they carry visible scarring from mating, which is a strong indication that this area functions as a breeding ground.
It is not unusual to see multiple females moving together, with the occasional male passing through. On some trips, we also encounter juvenile sharks, which adds another layer to the experience. You are not just seeing sharks — you are seeing a life cycle unfolding in real time.
Bronze whalers are fast, curious, and highly interactive around the cage. They tend to circle repeatedly, which allows for sustained viewing and a much more immersive experience than many people expect.
Sevengill cow sharks: a glimpse into the past
From time to time, we also encounter sevengill cow sharks (Notorynchus cepedianus).
These sharks are remarkable.
They are often referred to as “living fossils,” with a lineage that stretches back more than 100 million years. Unlike most modern sharks, which have five gill slits, sevengills have seven. Their bodies are heavier, their heads broader, and their overall appearance feels distinctly ancient.
They move differently too — slower, more deliberate, and powerful in a way that feels very different to the bronze whalers.
They are not seen on every trip, but when they do appear, they tend to leave a strong impression.
And the great white sharks?
Gansbaai built its reputation on great white shark encounters, and for many years it was one of the most reliable places in the world to see large individuals.
In recent times, sightings have become far less predictable.
There has been a lot of attention on orca predation, which is indeed a natural interaction, but it would be overly simplistic to attribute the change to a single cause. The broader reality is that great white populations are under increasing pressure from human activity — including fishing practices, prey depletion, and wider environmental changes.
At present, great white sharks are no longer commonly encountered in this area.
That may change again over time. Marine systems are dynamic. But for now, it is important to approach the experience with an accurate understanding of what the ocean is offering today.
More than just sharks
One of the things that often surprises people is how much more there is to see.
Depending on the time of year, you may encounter Cape fur seals, African penguins, dolphins, and, during the winter months, southern right whales. Stingrays are also frequently seen, along with a wide range of seabirds that are closely tied to the marine ecosystem.
What you are really experiencing is not just a shark dive, but a functioning ocean environment.
Getting the most out of the experience
If you are planning to dive, the hookah option offers a noticeably different experience.
With a continuous air supply, you are able to remain underwater for longer periods, which allows you to observe behaviour rather than just moments. This becomes particularly valuable with bronze whalers, as their movement patterns reward time and patience.
It shifts the experience from reactive to immersive.
A final note on expectations
The most important thing to understand is that this is not a controlled environment.
There are no guarantees. Some days are quieter than others. On other days, everything comes together in a way that is difficult to put into words.
But that unpredictability is also what makes the experience real.
Gansbaai is not defined by a single species. It is defined by the fact that it is still, very much, a wild place.
Planning your trip
If you would like guidance on timing your visit or choosing between the different diving options, you are welcome to get in touch. We are always happy to help you plan your experience properly.












