While there are quite a few shark species in Portugal, sightings are rare, and if you go swimming, you most likely won’t encounter one.
List of the Different Types of Sharks in Portugal
| Species | Maximum
Size |
Aggressiveness |
Basking Shark![]() |
23-30 feet | Not aggressive |
Bigeye Thresher Shark![]() |
11-16 feet | Not aggressive |
Blue Shark![]() |
6-11 feet | Not aggressive |
| Common Thresher Shark | 12-18 feet | Not aggressive |
| Frilled Shark | 5.6-6.6 feet | Not aggressive |
Great White Shark![]() |
11-16 feet | Highly aggressive |
Longfin Mako Shark![]() |
12-14 feet | Not aggressive |
| Oceanic Whitetip Shark | 10-13 feet | Highly aggressive |
| Porbeagle Shark | 6-12 feet | Not aggressive |
Shortfin Mako Shark![]() |
6.5-9.5 feet | Highly aggressive |
Silky Shark![]() |
7-10 feet | Highly aggressive |
| Smooth Hammerhead Shark | 8-12 feet | Not aggressive (but are potentially dangerous) |
| Spiny Dogfish | 2.5-3.5 feet | Not aggressive (due to their small size) |
Whale Shark![]() |
18-32 feet | Not aggressive |
Recent Cases of Shark Attacks in Portugal >>








