HW-MN0805807 – Residency
5th sighting in South Africa
HW-MN0805807 @150454
Dec 29, 2025 – Jan 6, 2026 · South Africa
South Africa · Dec 2025 – Jan 2026
58 m
Deepest dive
2:47
Longest dive
53
Dives
- Sightings
- 5
- Days between first and last sighting
- 8
- Deepest dive on record
- 58 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 29, 2025 | 45 m | — | 35 m |
| Dec 30, 2025 | 46 m | — | 38 m |
| Dec 30, 2025 | 62 m | — | 51 m |
| Jan 5, 2026 | 67 m | 14.4°C | 58 m |
| Jan 6, 2026 | 60 m | 14.8°C | 36 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
58 m
Deepest dive
2:47
Longest dive
53
Dives
21 m
Avg dive depth
5
Sightings
8
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 (67 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jan 5, 2026
measured- Seafloor depth
- 67 m
- Sea-surface temperature
- 14.4°C
- Distance from shore
- 8.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 45 m – 67 m
- Sea-surface temperature
- 14.4°C – 14.8°C
- Distance from shore
- 3.0 km – 8.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 5 catalogued encounters on Happywhale.