HW-MN0804128 – Residency
9th sighting in South Africa
HW-MN0804128 @125699
Dec 12, 2025 – Jan 30, 2026 · South Africa
South Africa · Dec 2025 – Jan 2026
159 m
Deepest dive
6:51
Longest dive
36
Dives
- Sightings
- 4
- Days between first and last sighting
- 49
- Deepest dive on record
- 159 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 12, 2025 | 333 m | — | 159 m |
| Jan 14, 2026 | 37 m | 15.7°C | 33 m |
| Jan 29, 2026 | 64 m | 14.7°C | 33 m |
| Jan 30, 2026 | 34 m | 14.6°C | 22 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
159 m
Deepest dive
6:51
Longest dive
36
Dives
26 m
Avg dive depth
4
Sightings
49
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 (333 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 12, 2025
measured- Seafloor depth
- 333 m
- Sea-surface temperature
- —
- Distance from shore
- 28.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 34 m – 333 m
- Sea-surface temperature
- 14.6°C – 15.7°C
- Distance from shore
- 7.0 km – 28.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.