Marine Wildlife by Species and Season
Plan your trip by checking the sighting seasons for the most sought-after species by divers in the Argentine Sea and Patagonian lakes.
| Species | Best Time | Main Areas | Behavior / Note |
|---|---|---|---|
| Southern Right Whale (Eubalaena australis) |
April to November (peak Aug-Sep) |
Península Valdés (Pirámides), Golfo Nuevo | Females with calves. Frequent to hear whale songs underwater. |
| Southern Sea Lion (Otaria flavescens) |
Year-round | Punta Loma (Madryn), Caleta Olivia, Golfo San Jorge | Very curious, they approach and interact with divers. |
| Magellanic Penguin (Spheniscus magellanicus) |
October to April | Punta Tombo, Isla Martillo (Ushuaia), Puerto Deseado | Best seen from the surface or in shallow dives. |
| Orca (Orcinus orca) |
February to April | Punta Norte (Península Valdés) | Occasional sightings diving. Keep a safe distance. |
| Patagonian King Crab (Lithodes santolla) |
Year-round | Ushuaia, Beagle Channel, Golfo San Jorge | Fishing ban from March-June in some areas. |
| Trout (Rainbow and Brown) |
Year-round | Patagonian lakes (Nahuel Huapi, Traful, Lácar) | Visible among submerged trees and rocks. |
Recommended Seasons by Destination
| Destination | Best month for wildlife | Encounter Probability |
|---|---|---|
| Puerto Madryn | April – November (whales) | High |
| Punta Loma | Year-round (sea lions) | Very high |
| Ushuaia | October – April (penguins) | High |
| Golfo San Jorge | March – November | Medium-High |
| Nahuel Huapi | December – April | Medium |
Sources
- ICB — Southern Right Whale Calendar (season and sighting areas)
- CENPAT-CONICET — Following Whales Project (Southern right whale research, Península Valdés)
- Chubut Patagonia — Orca Season 2024 (Punta Norte orca season)