Zulu 2024 – Residency
34th sighting in South AfricaZulu 2024 @122496
Oct 4 – Dec 11, 2025 · South Africa
South Africa · Oct – Dec 2025
52 m
Deepest dive
2:29
Longest dive
82
Dives
- Sightings
- 8
- Days between first and last sighting
- 68
- Deepest dive on record
- 52 m · this residency
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Oct 4, 2025 | 26 m | — | 23 m |
| Oct 5, 2025 | 21 m | — | 18 m |
| Oct 7, 2025 | 21 m | — | 17 m |
| Oct 8, 2025 | 26 m | — | 23 m |
| Oct 10, 2025 | -3 m | — | — |
| Dec 10, 2025 | 48 m | — | 23 m |
| Dec 11, 2025 | 37 m | — | 32 m |
| Dec 11, 2025 | 76 m | — | 52 m |
Seafloor and sea temperature measured · ✳ dives modelled
Deepest dive against the seafloor, per sighting
Seafloor · measured Deepest dive · modelledDepth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.
Dives
52 m
Deepest dive
2:29
Longest dive
82
Dives
16 m
Avg dive depth
8
Sightings
68
Days first → last
Dive metrics are modelled within real depth limits — not measured
Get actual dive data with Risa Deep →Dive profile
modelledDepth shaped by the seafloor limit here (76 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 11, 2025
measured- Seafloor depth
- 76 m
- Sea-surface temperature
- —
- Distance from shore
- 3.0 km
Across the residency · 8 sightings
measured- Seafloor depth
- -3 m – 76 m
- Sea-surface temperature
- —
- Distance from shore
- 1.0 km – 6.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 8 catalogued encounters on Happywhale.