HW-MN0805826 – Residency
4th sighting in South Africa
HW-MN0805826 @150473
Dec 28 – 31, 2025 · South Africa
South Africa · Dec 2025
46 m
Deepest dive
1:52
Longest dive
31
Dives
- Sightings
- 4
- Days between first and last sighting
- 3
- Deepest dive on record
- 46 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) |
|---|---|---|---|
| Dec 28, 2025 | 81 m | — | 46 m |
| Dec 30, 2025 | 65 m | — | 37 m |
| Dec 30, 2025 | 46 m | — | 38 m |
| Dec 31, 2025 | 45 m | — | 26 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
46 m
Deepest dive
1:52
Longest dive
31
Dives
17 m
Avg dive depth
4
Sightings
3
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 (81 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 28, 2025
measured- Seafloor depth
- 81 m
- Sea-surface temperature
- —
- Distance from shore
- 10.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 45 m – 81 m
- Sea-surface temperature
- —
- Distance from shore
- 3.0 km – 10.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.